diff --git a/module_4_rag/README.md b/module_4_rag/README.md
index 816629a..0b54b82 100644
--- a/module_4_rag/README.md
+++ b/module_4_rag/README.md
@@ -21,6 +21,16 @@ Then run
 ```bash
 python batch_score_documents.py
 ```
+Which will output data to `city_wikipedia_summaries_with_embeddings.parquet`
+
+## Feast
+
+To get started, make sure to have Feast installed and PostGreSQL.
+
+First run
+```bash
+feast apply
+```
 
 # Overview
 
diff --git a/module_4_rag/batch_score_documents.py b/module_4_rag/batch_score_documents.py
index 996d933..bafe616 100644
--- a/module_4_rag/batch_score_documents.py
+++ b/module_4_rag/batch_score_documents.py
@@ -1,4 +1,4 @@
-import os 
+import os
 import pandas as pd
 from transformers import AutoTokenizer, AutoModel
 import torch
diff --git a/module_4_rag/poetry.lock b/module_4_rag/poetry.lock
index 9fa706c..a54fe48 100644
--- a/module_4_rag/poetry.lock
+++ b/module_4_rag/poetry.lock
@@ -275,7 +275,9 @@ click = ">=8.1"
 cloudpickle = ">=1.5.0"
 fsspec = ">=2021.09.0"
 importlib-metadata = ">=4.13.0"
+numpy = {version = ">=1.21", optional = true, markers = "extra == \"array\""}
 packaging = ">=20.0"
+pandas = {version = ">=1.3", optional = true, markers = "extra == \"dataframe\""}
 partd = ">=1.2.0"
 pyyaml = ">=5.3.1"
 toolz = ">=0.10.0"
@@ -338,22 +340,24 @@ all = ["email-validator (>=2.0.0)", "httpx (>=0.23.0)", "itsdangerous (>=1.1.0)"
 
 [[package]]
 name = "feast"
-version = "0.36.1.dev89+g1bad023e.d20240417"
+version = "0.37.1"
 description = "Python SDK for Feast"
 optional = false
 python-versions = ">=3.9.0"
-files = []
-develop = false
+files = [
+    {file = "feast-0.37.1-py2.py3-none-any.whl", hash = "sha256:2cfe893efdb2ed91490381c41303ba69295711828580e56767628d80c7447239"},
+    {file = "feast-0.37.1.tar.gz", hash = "sha256:d1f2ebca8a7bbe17e22dd5a7694ce671db51193846ad2ad90da2004ae9af6cda"},
+]
 
 [package.dependencies]
 bowler = "*"
 click = ">=7.0.0,<9.0.0"
 colorama = ">=0.3.9,<1"
-dask = ">=2021.1.0,<2024.3.0"
+dask = {version = ">=2021.1.0", extras = ["dataframe"]}
 dill = ">=0.3.0,<0.4.0"
 fastapi = ">=0.68.0"
 gunicorn = {version = "*", markers = "platform_system != \"Windows\""}
-importlib_metadata = ">=6.8.0,<7"
+importlib-metadata = ">=6.8.0,<7"
 importlib-resources = ">=6.0.0,<7"
 Jinja2 = ">=2,<4"
 jsonschema = "*"
@@ -378,14 +382,13 @@ uvicorn = {version = ">=0.14.0,<1", extras = ["standard"]}
 [package.extras]
 aws = ["boto3 (>=1.17.0,<2)", "docker (>=5.0.2)", "fsspec (<=2024.1.0)"]
 azure = ["SQLAlchemy (>=1.4.19)", "azure-identity (>=1.6.1)", "azure-storage-blob (>=0.37.0)", "pymssql", "pyodbc (>=4.0.30)"]
-bytewax = ["bytewax (==0.15.1)", "docker (>=5.0.2)", "kubernetes (<=20.13.0)"]
 cassandra = ["cassandra-driver (>=3.24.0,<4)"]
-ci = ["SQLAlchemy (>=1.4.19)", "Sphinx (>4.0.0,<7)", "assertpy (==1.1)", "azure-identity (>=1.6.1)", "azure-storage-blob (>=0.37.0)", "boto3 (>=1.17.0,<2)", "build", "bytewax (==0.15.1)", "cassandra-driver (>=3.24.0,<4)", "cryptography (>=35.0,<43)", "docker (>=5.0.2)", "docker (>=5.0.2)", "firebase-admin (>=5.2.0,<6)", "fsspec (<=2024.1.0)", "fsspec (<=2024.1.0)", "google-api-core (>=1.23.0,<3)", "google-cloud-bigquery-storage (>=2.0.0,<3)", "google-cloud-bigquery[pandas] (>=2,<3.13.0)", "google-cloud-bigtable (>=2.11.0,<3)", "google-cloud-datastore (>=2.1.0,<3)", "google-cloud-storage (>=1.34.0,<3)", "googleapis-common-protos (>=1.52.0,<2)", "great_expectations (>=0.15.41)", "grpcio (>=1.56.2,<2)", "grpcio-health-checking (>=1.56.2,<2)", "grpcio-reflection (>=1.56.2,<2)", "grpcio-testing (>=1.56.2,<2)", "grpcio-tools (>=1.56.2,<2)", "happybase (>=1.2.0,<3)", "hazelcast-python-client (>=5.1)", "hiredis (>=2.0.0,<3)", "httpx (>=0.23.3)", "ibis-framework", "ibis-framework[duckdb]", "ibis-substrait", "kubernetes (<=20.13.0)", "kubernetes (<=20.13.0)", "minio (==7.1.0)", "mock (==2.0.0)", "moto (<5)", "mypy (>=1.4.1)", "pip-tools", "pre-commit (<3.3.2)", "psutil (==5.9.0)", "psycopg2-binary (>=2.8.3,<3)", "py (>=1.11.0)", "pybindgen", "pymssql", "pymysql", "pyodbc (>=4.0.30)", "pyspark (>=3.0.0,<4)", "pytest (>=6.0.0,<8)", "pytest-benchmark (>=3.4.1,<4)", "pytest-cov", "pytest-env", "pytest-lazy-fixture (==0.6.3)", "pytest-mock (==1.10.4)", "pytest-ordering (>=0.6.0,<0.7.0)", "pytest-timeout (==1.4.2)", "pytest-xdist", "redis (>=4.2.2,<5)", "regex", "rockset (>=1.0.3)", "ruff (>=0.3.3)", "snowflake-connector-python[pandas] (>=3.7,<4)", "testcontainers (==4.3.3)", "trino (>=0.305.0,<0.400.0)", "types-PyMySQL", "types-PyYAML", "types-protobuf (>=3.19.22,<3.20.0)", "types-python-dateutil", "types-pytz", "types-redis", "types-requests (<2.31.0)", "types-setuptools", "types-tabulate", "urllib3 (>=1.25.4,<3)", "virtualenv (<20.24.2)", "virtualenv (==20.23.0)"]
-dev = ["SQLAlchemy (>=1.4.19)", "Sphinx (>4.0.0,<7)", "assertpy (==1.1)", "azure-identity (>=1.6.1)", "azure-storage-blob (>=0.37.0)", "boto3 (>=1.17.0,<2)", "build", "bytewax (==0.15.1)", "cassandra-driver (>=3.24.0,<4)", "cryptography (>=35.0,<43)", "docker (>=5.0.2)", "docker (>=5.0.2)", "firebase-admin (>=5.2.0,<6)", "fsspec (<=2024.1.0)", "fsspec (<=2024.1.0)", "google-api-core (>=1.23.0,<3)", "google-cloud-bigquery-storage (>=2.0.0,<3)", "google-cloud-bigquery[pandas] (>=2,<3.13.0)", "google-cloud-bigtable (>=2.11.0,<3)", "google-cloud-datastore (>=2.1.0,<3)", "google-cloud-storage (>=1.34.0,<3)", "googleapis-common-protos (>=1.52.0,<2)", "great_expectations (>=0.15.41)", "grpcio (>=1.56.2,<2)", "grpcio-health-checking (>=1.56.2,<2)", "grpcio-reflection (>=1.56.2,<2)", "grpcio-testing (>=1.56.2,<2)", "grpcio-tools (>=1.56.2,<2)", "happybase (>=1.2.0,<3)", "hazelcast-python-client (>=5.1)", "hiredis (>=2.0.0,<3)", "httpx (>=0.23.3)", "ibis-framework", "ibis-framework[duckdb]", "ibis-substrait", "kubernetes (<=20.13.0)", "kubernetes (<=20.13.0)", "minio (==7.1.0)", "mock (==2.0.0)", "moto (<5)", "mypy (>=1.4.1)", "pip-tools", "pre-commit (<3.3.2)", "psutil (==5.9.0)", "psycopg2-binary (>=2.8.3,<3)", "py (>=1.11.0)", "pybindgen", "pymssql", "pymysql", "pyodbc (>=4.0.30)", "pyspark (>=3.0.0,<4)", "pytest (>=6.0.0,<8)", "pytest-benchmark (>=3.4.1,<4)", "pytest-cov", "pytest-env", "pytest-lazy-fixture (==0.6.3)", "pytest-mock (==1.10.4)", "pytest-ordering (>=0.6.0,<0.7.0)", "pytest-timeout (==1.4.2)", "pytest-xdist", "redis (>=4.2.2,<5)", "regex", "rockset (>=1.0.3)", "ruff (>=0.3.3)", "snowflake-connector-python[pandas] (>=3.7,<4)", "testcontainers (==4.3.3)", "trino (>=0.305.0,<0.400.0)", "types-PyMySQL", "types-PyYAML", "types-protobuf (>=3.19.22,<3.20.0)", "types-python-dateutil", "types-pytz", "types-redis", "types-requests (<2.31.0)", "types-setuptools", "types-tabulate", "urllib3 (>=1.25.4,<3)", "virtualenv (<20.24.2)", "virtualenv (==20.23.0)"]
-docs = ["SQLAlchemy (>=1.4.19)", "Sphinx (>4.0.0,<7)", "assertpy (==1.1)", "azure-identity (>=1.6.1)", "azure-storage-blob (>=0.37.0)", "boto3 (>=1.17.0,<2)", "build", "bytewax (==0.15.1)", "cassandra-driver (>=3.24.0,<4)", "cryptography (>=35.0,<43)", "docker (>=5.0.2)", "docker (>=5.0.2)", "firebase-admin (>=5.2.0,<6)", "fsspec (<=2024.1.0)", "fsspec (<=2024.1.0)", "google-api-core (>=1.23.0,<3)", "google-cloud-bigquery-storage (>=2.0.0,<3)", "google-cloud-bigquery[pandas] (>=2,<3.13.0)", "google-cloud-bigtable (>=2.11.0,<3)", "google-cloud-datastore (>=2.1.0,<3)", "google-cloud-storage (>=1.34.0,<3)", "googleapis-common-protos (>=1.52.0,<2)", "great_expectations (>=0.15.41)", "grpcio (>=1.56.2,<2)", "grpcio-health-checking (>=1.56.2,<2)", "grpcio-reflection (>=1.56.2,<2)", "grpcio-testing (>=1.56.2,<2)", "grpcio-tools (>=1.56.2,<2)", "happybase (>=1.2.0,<3)", "hazelcast-python-client (>=5.1)", "hiredis (>=2.0.0,<3)", "httpx (>=0.23.3)", "ibis-framework", "ibis-framework[duckdb]", "ibis-substrait", "kubernetes (<=20.13.0)", "kubernetes (<=20.13.0)", "minio (==7.1.0)", "mock (==2.0.0)", "moto (<5)", "mypy (>=1.4.1)", "pip-tools", "pre-commit (<3.3.2)", "psutil (==5.9.0)", "psycopg2-binary (>=2.8.3,<3)", "py (>=1.11.0)", "pybindgen", "pymssql", "pymysql", "pyodbc (>=4.0.30)", "pyspark (>=3.0.0,<4)", "pytest (>=6.0.0,<8)", "pytest-benchmark (>=3.4.1,<4)", "pytest-cov", "pytest-env", "pytest-lazy-fixture (==0.6.3)", "pytest-mock (==1.10.4)", "pytest-ordering (>=0.6.0,<0.7.0)", "pytest-timeout (==1.4.2)", "pytest-xdist", "redis (>=4.2.2,<5)", "regex", "rockset (>=1.0.3)", "ruff (>=0.3.3)", "snowflake-connector-python[pandas] (>=3.7,<4)", "testcontainers (==4.3.3)", "trino (>=0.305.0,<0.400.0)", "types-PyMySQL", "types-PyYAML", "types-protobuf (>=3.19.22,<3.20.0)", "types-python-dateutil", "types-pytz", "types-redis", "types-requests (<2.31.0)", "types-setuptools", "types-tabulate", "urllib3 (>=1.25.4,<3)", "virtualenv (<20.24.2)", "virtualenv (==20.23.0)"]
+ci = ["SQLAlchemy (>=1.4.19)", "Sphinx (>4.0.0,<7)", "assertpy (==1.1)", "azure-identity (>=1.6.1)", "azure-storage-blob (>=0.37.0)", "boto3 (>=1.17.0,<2)", "build", "cassandra-driver (>=3.24.0,<4)", "cryptography (>=35.0,<43)", "docker (>=5.0.2)", "firebase-admin (>=5.2.0,<6)", "fsspec (<=2024.1.0)", "google-api-core (>=1.23.0,<3)", "google-cloud-bigquery-storage (>=2.0.0,<3)", "google-cloud-bigquery[pandas] (>=2,<3.13.0)", "google-cloud-bigtable (>=2.11.0,<3)", "google-cloud-datastore (>=2.1.0,<3)", "google-cloud-storage (>=1.34.0,<3)", "googleapis-common-protos (>=1.52.0,<2)", "great-expectations (>=0.15.41)", "grpcio (>=1.56.2,<2)", "grpcio-health-checking (>=1.56.2,<2)", "grpcio-reflection (>=1.56.2,<2)", "grpcio-testing (>=1.56.2,<2)", "grpcio-tools (>=1.56.2,<2)", "happybase (>=1.2.0,<3)", "hazelcast-python-client (>=5.1)", "hiredis (>=2.0.0,<3)", "httpx (>=0.23.3)", "ibis-framework", "ibis-framework[duckdb]", "ibis-substrait", "kubernetes (<=20.13.0)", "minio (==7.1.0)", "mock (==2.0.0)", "moto (<5)", "mypy (>=1.4.1)", "pip-tools", "pre-commit (<3.3.2)", "psutil (==5.9.0)", "psycopg2-binary (>=2.8.3,<3)", "py (>=1.11.0)", "pybindgen", "pymssql", "pymysql", "pyodbc (>=4.0.30)", "pyspark (>=3.0.0,<4)", "pytest (>=6.0.0,<8)", "pytest-benchmark (>=3.4.1,<4)", "pytest-cov", "pytest-env", "pytest-lazy-fixture (==0.6.3)", "pytest-mock (==1.10.4)", "pytest-ordering (>=0.6.0,<0.7.0)", "pytest-timeout (==1.4.2)", "pytest-xdist", "redis (>=4.2.2,<5)", "regex", "rockset (>=1.0.3)", "ruff (>=0.3.3)", "snowflake-connector-python[pandas] (>=3.7,<4)", "testcontainers (==4.3.3)", "trino (>=0.305.0,<0.400.0)", "types-PyMySQL", "types-PyYAML", "types-protobuf (>=3.19.22,<3.20.0)", "types-python-dateutil", "types-pytz", "types-redis", "types-requests (<2.31.0)", "types-setuptools", "types-tabulate", "urllib3 (>=1.25.4,<3)", "virtualenv (<20.24.2)", "virtualenv (==20.23.0)"]
+dev = ["SQLAlchemy (>=1.4.19)", "Sphinx (>4.0.0,<7)", "assertpy (==1.1)", "azure-identity (>=1.6.1)", "azure-storage-blob (>=0.37.0)", "boto3 (>=1.17.0,<2)", "build", "cassandra-driver (>=3.24.0,<4)", "cryptography (>=35.0,<43)", "docker (>=5.0.2)", "firebase-admin (>=5.2.0,<6)", "fsspec (<=2024.1.0)", "google-api-core (>=1.23.0,<3)", "google-cloud-bigquery-storage (>=2.0.0,<3)", "google-cloud-bigquery[pandas] (>=2,<3.13.0)", "google-cloud-bigtable (>=2.11.0,<3)", "google-cloud-datastore (>=2.1.0,<3)", "google-cloud-storage (>=1.34.0,<3)", "googleapis-common-protos (>=1.52.0,<2)", "great-expectations (>=0.15.41)", "grpcio (>=1.56.2,<2)", "grpcio-health-checking (>=1.56.2,<2)", "grpcio-reflection (>=1.56.2,<2)", "grpcio-testing (>=1.56.2,<2)", "grpcio-tools (>=1.56.2,<2)", "happybase (>=1.2.0,<3)", "hazelcast-python-client (>=5.1)", "hiredis (>=2.0.0,<3)", "httpx (>=0.23.3)", "ibis-framework", "ibis-framework[duckdb]", "ibis-substrait", "kubernetes (<=20.13.0)", "minio (==7.1.0)", "mock (==2.0.0)", "moto (<5)", "mypy (>=1.4.1)", "pip-tools", "pre-commit (<3.3.2)", "psutil (==5.9.0)", "psycopg2-binary (>=2.8.3,<3)", "py (>=1.11.0)", "pybindgen", "pymssql", "pymysql", "pyodbc (>=4.0.30)", "pyspark (>=3.0.0,<4)", "pytest (>=6.0.0,<8)", "pytest-benchmark (>=3.4.1,<4)", "pytest-cov", "pytest-env", "pytest-lazy-fixture (==0.6.3)", "pytest-mock (==1.10.4)", "pytest-ordering (>=0.6.0,<0.7.0)", "pytest-timeout (==1.4.2)", "pytest-xdist", "redis (>=4.2.2,<5)", "regex", "rockset (>=1.0.3)", "ruff (>=0.3.3)", "snowflake-connector-python[pandas] (>=3.7,<4)", "testcontainers (==4.3.3)", "trino (>=0.305.0,<0.400.0)", "types-PyMySQL", "types-PyYAML", "types-protobuf (>=3.19.22,<3.20.0)", "types-python-dateutil", "types-pytz", "types-redis", "types-requests (<2.31.0)", "types-setuptools", "types-tabulate", "urllib3 (>=1.25.4,<3)", "virtualenv (<20.24.2)", "virtualenv (==20.23.0)"]
+docs = ["SQLAlchemy (>=1.4.19)", "Sphinx (>4.0.0,<7)", "assertpy (==1.1)", "azure-identity (>=1.6.1)", "azure-storage-blob (>=0.37.0)", "boto3 (>=1.17.0,<2)", "build", "cassandra-driver (>=3.24.0,<4)", "cryptography (>=35.0,<43)", "docker (>=5.0.2)", "firebase-admin (>=5.2.0,<6)", "fsspec (<=2024.1.0)", "google-api-core (>=1.23.0,<3)", "google-cloud-bigquery-storage (>=2.0.0,<3)", "google-cloud-bigquery[pandas] (>=2,<3.13.0)", "google-cloud-bigtable (>=2.11.0,<3)", "google-cloud-datastore (>=2.1.0,<3)", "google-cloud-storage (>=1.34.0,<3)", "googleapis-common-protos (>=1.52.0,<2)", "great-expectations (>=0.15.41)", "grpcio (>=1.56.2,<2)", "grpcio-health-checking (>=1.56.2,<2)", "grpcio-reflection (>=1.56.2,<2)", "grpcio-testing (>=1.56.2,<2)", "grpcio-tools (>=1.56.2,<2)", "happybase (>=1.2.0,<3)", "hazelcast-python-client (>=5.1)", "hiredis (>=2.0.0,<3)", "httpx (>=0.23.3)", "ibis-framework", "ibis-framework[duckdb]", "ibis-substrait", "kubernetes (<=20.13.0)", "minio (==7.1.0)", "mock (==2.0.0)", "moto (<5)", "mypy (>=1.4.1)", "pip-tools", "pre-commit (<3.3.2)", "psutil (==5.9.0)", "psycopg2-binary (>=2.8.3,<3)", "py (>=1.11.0)", "pybindgen", "pymssql", "pymysql", "pyodbc (>=4.0.30)", "pyspark (>=3.0.0,<4)", "pytest (>=6.0.0,<8)", "pytest-benchmark (>=3.4.1,<4)", "pytest-cov", "pytest-env", "pytest-lazy-fixture (==0.6.3)", "pytest-mock (==1.10.4)", "pytest-ordering (>=0.6.0,<0.7.0)", "pytest-timeout (==1.4.2)", "pytest-xdist", "redis (>=4.2.2,<5)", "regex", "rockset (>=1.0.3)", "ruff (>=0.3.3)", "snowflake-connector-python[pandas] (>=3.7,<4)", "testcontainers (==4.3.3)", "trino (>=0.305.0,<0.400.0)", "types-PyMySQL", "types-PyYAML", "types-protobuf (>=3.19.22,<3.20.0)", "types-python-dateutil", "types-pytz", "types-redis", "types-requests (<2.31.0)", "types-setuptools", "types-tabulate", "urllib3 (>=1.25.4,<3)", "virtualenv (<20.24.2)", "virtualenv (==20.23.0)"]
 duckdb = ["ibis-framework[duckdb]"]
 gcp = ["fsspec (<=2024.1.0)", "google-api-core (>=1.23.0,<3)", "google-cloud-bigquery-storage (>=2.0.0,<3)", "google-cloud-bigquery[pandas] (>=2,<3.13.0)", "google-cloud-bigtable (>=2.11.0,<3)", "google-cloud-datastore (>=2.1.0,<3)", "google-cloud-storage (>=1.34.0,<3)", "googleapis-common-protos (>=1.52.0,<2)"]
-ge = ["great_expectations (>=0.15.41)"]
+ge = ["great-expectations (>=0.15.41)"]
 grpcio = ["grpcio (>=1.56.2,<2)", "grpcio-health-checking (>=1.56.2,<2)", "grpcio-reflection (>=1.56.2,<2)", "grpcio-tools (>=1.56.2,<2)"]
 hazelcast = ["hazelcast-python-client (>=5.1)"]
 hbase = ["happybase (>=1.2.0,<3)"]
@@ -399,10 +402,6 @@ snowflake = ["snowflake-connector-python[pandas] (>=3.7,<4)"]
 spark = ["pyspark (>=3.0.0,<4)"]
 trino = ["regex", "trino (>=0.305.0,<0.400.0)"]
 
-[package.source]
-type = "directory"
-url = "../../feast"
-
 [[package]]
 name = "filelock"
 version = "3.13.4"
@@ -926,7 +925,6 @@ files = [
     {file = "lxml-5.2.1-cp37-cp37m-musllinux_1_2_x86_64.whl", hash = "sha256:9e2addd2d1866fe112bc6f80117bcc6bc25191c5ed1bfbcf9f1386a884252ae8"},
     {file = "lxml-5.2.1-cp37-cp37m-win32.whl", hash = "sha256:f51969bac61441fd31f028d7b3b45962f3ecebf691a510495e5d2cd8c8092dbd"},
     {file = "lxml-5.2.1-cp37-cp37m-win_amd64.whl", hash = "sha256:b0b58fbfa1bf7367dde8a557994e3b1637294be6cf2169810375caf8571a085c"},
-    {file = "lxml-5.2.1-cp38-cp38-macosx_10_9_universal2.whl", hash = "sha256:3e183c6e3298a2ed5af9d7a356ea823bccaab4ec2349dc9ed83999fd289d14d5"},
     {file = "lxml-5.2.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:804f74efe22b6a227306dd890eecc4f8c59ff25ca35f1f14e7482bbce96ef10b"},
     {file = "lxml-5.2.1-cp38-cp38-manylinux_2_12_i686.manylinux2010_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:08802f0c56ed150cc6885ae0788a321b73505d2263ee56dad84d200cab11c07a"},
     {file = "lxml-5.2.1-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:0f8c09ed18ecb4ebf23e02b8e7a22a05d6411911e6fabef3a36e4f371f4f2585"},
@@ -1735,6 +1733,87 @@ files = [
     {file = "protobuf-4.25.3.tar.gz", hash = "sha256:25b5d0b42fd000320bd7830b349e3b696435f3b329810427a6bcce6a5492cc5c"},
 ]
 
+[[package]]
+name = "psycopg2-binary"
+version = "2.9.9"
+description = "psycopg2 - Python-PostgreSQL Database Adapter"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "psycopg2-binary-2.9.9.tar.gz", hash = "sha256:7f01846810177d829c7692f1f5ada8096762d9172af1b1a28d4ab5b77c923c1c"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:c2470da5418b76232f02a2fcd2229537bb2d5a7096674ce61859c3229f2eb202"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:c6af2a6d4b7ee9615cbb162b0738f6e1fd1f5c3eda7e5da17861eacf4c717ea7"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:75723c3c0fbbf34350b46a3199eb50638ab22a0228f93fb472ef4d9becc2382b"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:83791a65b51ad6ee6cf0845634859d69a038ea9b03d7b26e703f94c7e93dbcf9"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:0ef4854e82c09e84cc63084a9e4ccd6d9b154f1dbdd283efb92ecd0b5e2b8c84"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ed1184ab8f113e8d660ce49a56390ca181f2981066acc27cf637d5c1e10ce46e"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-musllinux_1_1_aarch64.whl", hash = "sha256:d2997c458c690ec2bc6b0b7ecbafd02b029b7b4283078d3b32a852a7ce3ddd98"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:b58b4710c7f4161b5e9dcbe73bb7c62d65670a87df7bcce9e1faaad43e715245"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-musllinux_1_1_ppc64le.whl", hash = "sha256:0c009475ee389757e6e34611d75f6e4f05f0cf5ebb76c6037508318e1a1e0d7e"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:8dbf6d1bc73f1d04ec1734bae3b4fb0ee3cb2a493d35ede9badbeb901fb40f6f"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-win32.whl", hash = "sha256:3f78fd71c4f43a13d342be74ebbc0666fe1f555b8837eb113cb7416856c79682"},
+    {file = "psycopg2_binary-2.9.9-cp310-cp310-win_amd64.whl", hash = "sha256:876801744b0dee379e4e3c38b76fc89f88834bb15bf92ee07d94acd06ec890a0"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:ee825e70b1a209475622f7f7b776785bd68f34af6e7a46e2e42f27b659b5bc26"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:1ea665f8ce695bcc37a90ee52de7a7980be5161375d42a0b6c6abedbf0d81f0f"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:143072318f793f53819048fdfe30c321890af0c3ec7cb1dfc9cc87aa88241de2"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:c332c8d69fb64979ebf76613c66b985414927a40f8defa16cf1bc028b7b0a7b0"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:f7fc5a5acafb7d6ccca13bfa8c90f8c51f13d8fb87d95656d3950f0158d3ce53"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:977646e05232579d2e7b9c59e21dbe5261f403a88417f6a6512e70d3f8a046be"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-musllinux_1_1_aarch64.whl", hash = "sha256:b6356793b84728d9d50ead16ab43c187673831e9d4019013f1402c41b1db9b27"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-musllinux_1_1_i686.whl", hash = "sha256:bc7bb56d04601d443f24094e9e31ae6deec9ccb23581f75343feebaf30423359"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-musllinux_1_1_ppc64le.whl", hash = "sha256:77853062a2c45be16fd6b8d6de2a99278ee1d985a7bd8b103e97e41c034006d2"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:78151aa3ec21dccd5cdef6c74c3e73386dcdfaf19bced944169697d7ac7482fc"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-win32.whl", hash = "sha256:dc4926288b2a3e9fd7b50dc6a1909a13bbdadfc67d93f3374d984e56f885579d"},
+    {file = "psycopg2_binary-2.9.9-cp311-cp311-win_amd64.whl", hash = "sha256:b76bedd166805480ab069612119ea636f5ab8f8771e640ae103e05a4aae3e417"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:8532fd6e6e2dc57bcb3bc90b079c60de896d2128c5d9d6f24a63875a95a088cf"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:b0605eaed3eb239e87df0d5e3c6489daae3f7388d455d0c0b4df899519c6a38d"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:8f8544b092a29a6ddd72f3556a9fcf249ec412e10ad28be6a0c0d948924f2212"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:2d423c8d8a3c82d08fe8af900ad5b613ce3632a1249fd6a223941d0735fce493"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:2e5afae772c00980525f6d6ecf7cbca55676296b580c0e6abb407f15f3706996"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6e6f98446430fdf41bd36d4faa6cb409f5140c1c2cf58ce0bbdaf16af7d3f119"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-musllinux_1_1_aarch64.whl", hash = "sha256:c77e3d1862452565875eb31bdb45ac62502feabbd53429fdc39a1cc341d681ba"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-musllinux_1_1_i686.whl", hash = "sha256:cb16c65dcb648d0a43a2521f2f0a2300f40639f6f8c1ecbc662141e4e3e1ee07"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-musllinux_1_1_ppc64le.whl", hash = "sha256:911dda9c487075abd54e644ccdf5e5c16773470a6a5d3826fda76699410066fb"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:57fede879f08d23c85140a360c6a77709113efd1c993923c59fde17aa27599fe"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-win32.whl", hash = "sha256:64cf30263844fa208851ebb13b0732ce674d8ec6a0c86a4e160495d299ba3c93"},
+    {file = "psycopg2_binary-2.9.9-cp312-cp312-win_amd64.whl", hash = "sha256:81ff62668af011f9a48787564ab7eded4e9fb17a4a6a74af5ffa6a457400d2ab"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:2293b001e319ab0d869d660a704942c9e2cce19745262a8aba2115ef41a0a42a"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:03ef7df18daf2c4c07e2695e8cfd5ee7f748a1d54d802330985a78d2a5a6dca9"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:0a602ea5aff39bb9fac6308e9c9d82b9a35c2bf288e184a816002c9fae930b77"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:8359bf4791968c5a78c56103702000105501adb557f3cf772b2c207284273984"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:275ff571376626195ab95a746e6a04c7df8ea34638b99fc11160de91f2fef503"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-musllinux_1_1_aarch64.whl", hash = "sha256:f9b5571d33660d5009a8b3c25dc1db560206e2d2f89d3df1cb32d72c0d117d52"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-musllinux_1_1_i686.whl", hash = "sha256:420f9bbf47a02616e8554e825208cb947969451978dceb77f95ad09c37791dae"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-musllinux_1_1_ppc64le.whl", hash = "sha256:4154ad09dac630a0f13f37b583eae260c6aa885d67dfbccb5b02c33f31a6d420"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-musllinux_1_1_x86_64.whl", hash = "sha256:a148c5d507bb9b4f2030a2025c545fccb0e1ef317393eaba42e7eabd28eb6041"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-win32.whl", hash = "sha256:68fc1f1ba168724771e38bee37d940d2865cb0f562380a1fb1ffb428b75cb692"},
+    {file = "psycopg2_binary-2.9.9-cp37-cp37m-win_amd64.whl", hash = "sha256:281309265596e388ef483250db3640e5f414168c5a67e9c665cafce9492eda2f"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:60989127da422b74a04345096c10d416c2b41bd7bf2a380eb541059e4e999980"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:246b123cc54bb5361588acc54218c8c9fb73068bf227a4a531d8ed56fa3ca7d6"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:34eccd14566f8fe14b2b95bb13b11572f7c7d5c36da61caf414d23b91fcc5d94"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:18d0ef97766055fec15b5de2c06dd8e7654705ce3e5e5eed3b6651a1d2a9a152"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:d3f82c171b4ccd83bbaf35aa05e44e690113bd4f3b7b6cc54d2219b132f3ae55"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ead20f7913a9c1e894aebe47cccf9dc834e1618b7aa96155d2091a626e59c972"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-musllinux_1_1_aarch64.whl", hash = "sha256:ca49a8119c6cbd77375ae303b0cfd8c11f011abbbd64601167ecca18a87e7cdd"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-musllinux_1_1_i686.whl", hash = "sha256:323ba25b92454adb36fa425dc5cf6f8f19f78948cbad2e7bc6cdf7b0d7982e59"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-musllinux_1_1_ppc64le.whl", hash = "sha256:1236ed0952fbd919c100bc839eaa4a39ebc397ed1c08a97fc45fee2a595aa1b3"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:729177eaf0aefca0994ce4cffe96ad3c75e377c7b6f4efa59ebf003b6d398716"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-win32.whl", hash = "sha256:804d99b24ad523a1fe18cc707bf741670332f7c7412e9d49cb5eab67e886b9b5"},
+    {file = "psycopg2_binary-2.9.9-cp38-cp38-win_amd64.whl", hash = "sha256:a6cdcc3ede532f4a4b96000b6362099591ab4a3e913d70bcbac2b56c872446f7"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:72dffbd8b4194858d0941062a9766f8297e8868e1dd07a7b36212aaa90f49472"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:30dcc86377618a4c8f3b72418df92e77be4254d8f89f14b8e8f57d6d43603c0f"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:31a34c508c003a4347d389a9e6fcc2307cc2150eb516462a7a17512130de109e"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:15208be1c50b99203fe88d15695f22a5bed95ab3f84354c494bcb1d08557df67"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:1873aade94b74715be2246321c8650cabf5a0d098a95bab81145ffffa4c13876"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:3a58c98a7e9c021f357348867f537017057c2ed7f77337fd914d0bedb35dace7"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-musllinux_1_1_aarch64.whl", hash = "sha256:4686818798f9194d03c9129a4d9a702d9e113a89cb03bffe08c6cf799e053291"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:ebdc36bea43063116f0486869652cb2ed7032dbc59fbcb4445c4862b5c1ecf7f"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-musllinux_1_1_ppc64le.whl", hash = "sha256:ca08decd2697fdea0aea364b370b1249d47336aec935f87b8bbfd7da5b2ee9c1"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:ac05fb791acf5e1a3e39402641827780fe44d27e72567a000412c648a85ba860"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-win32.whl", hash = "sha256:9dba73be7305b399924709b91682299794887cbbd88e38226ed9f6712eabee90"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-win_amd64.whl", hash = "sha256:f7ae5d65ccfbebdfa761585228eb4d0df3a8b15cfb53bd953e713e09fbb12957"},
+]
+
 [[package]]
 name = "pyarrow"
 version = "15.0.2"
@@ -3367,4 +3446,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "a4f2760d038e3817c678f15fbf0823b6129be4869684613a85ef021e4bf0ba26"
+content-hash = "1e4223d03b49a6c7c37e57de170442b5c1f59f65eb78b0e5cf96c311f4d41cc2"
diff --git a/module_4_rag/pull_states.py b/module_4_rag/pull_states.py
index f356d7e..2c68c0c 100644
--- a/module_4_rag/pull_states.py
+++ b/module_4_rag/pull_states.py
@@ -3,7 +3,7 @@
 import wikipedia as wiki
 import pandas as pd
 
-EXPORT_FILENAME = "city_wikipedia_summaries.csv"
+EXPORT_FILENAME = "./data/city_wikipedia_summaries.csv"
 CITIES = [
     "New York, New York",
     "Los Angeles, California",
@@ -78,6 +78,7 @@ def pull_state_data() -> None:
         print("data not found pullling wikipedia state summaries...")
         city_summary_output = get_wikipedia_summary(CITIES)
         write_data(city_summary_output)
+        print(f"...data exported to {EXPORT_FILENAME}")
     else:
         print("data already present...skipping download")
 
diff --git a/module_4_rag/pyproject.toml b/module_4_rag/pyproject.toml
index 9d1cedf..e9cb780 100644
--- a/module_4_rag/pyproject.toml
+++ b/module_4_rag/pyproject.toml
@@ -14,6 +14,7 @@ flasgger = "^0.9.7.1"
 wikipedia = "^1.4.0"
 lxml = "^5.1.0"
 sentence-transformers = "^2.3.1"
+psycopg2-binary = "^2.9.9"
 
 
 [build-system]