diff --git a/README.md b/README.md
index 96ba2da..cf86873 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ and non-personalized like track radio and artist radio.
 - Set local pyenv version `pyenv local mixes`
 - Activate the virtual pyenv using `pyenv activate mixes`
 - Upgrade the pip package installer `pip install --upgrade pip`
-- Install poetry for package management `pip install poetry==1.5.1`
+- Install poetry for package management `pip install poetry==1.7.0`
 - Install dependencies from the lock file `poetry install --no-root` 
 
+[pyproject.toml](pyproject.toml)[pyproject.toml](pyproject.toml)
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 29e90c0..6c02230 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,14 +11,13 @@ classifiers = [
 
 [tool.poetry]
 name = "tidal_algorithmic_mixes"
-version = "0.0.7"
+version = "0.0.8"
 description = "common transformers used by the tidal personalization team."
 authors = [
     "Loay <loay@squareup.com>",
-    "Jing <jxie@squareup.com>",
     "Tao <tma@squareup.com>",
     "Thomas <talmenningen@squareup.com>",
-    "Yuhua yuhua@squareup.com"
+    "Yuhua <yuhua@squareup.com>"
 ]
 
 license = "Apache License V 2.0"
@@ -35,7 +34,7 @@ great-expectations = "0.16.15"
 scikit-learn = "1.1.1"
 alphabet-detector = "0.0.7"
 pyarrow = "7.0.0"
-tidal-per-transformers = ">=0.0.7"
+tidal-per-transformers = ">=0.0.8"
 torch = "1.12.1"
 mlflow = "2.1.1"
 
diff --git a/tidal_algorithmic_mixes/discovery_mix/post_processor_transformation.py b/tidal_algorithmic_mixes/discovery_mix/post_processor_transformation.py
index be77ff6..d60b950 100644
--- a/tidal_algorithmic_mixes/discovery_mix/post_processor_transformation.py
+++ b/tidal_algorithmic_mixes/discovery_mix/post_processor_transformation.py
@@ -2,9 +2,9 @@
 from datetime import datetime
 
 import pyspark.sql.functions as F
-from pyspark.ml import Pipeline
 from tidal_per_transformers.transformers import WithColumnRenamedTransformer, JoinTransformer, CleanTextTransformer, \
     TrackGroupAvailabilityByCountryTransformer, TopItemsTransformer, AggregateTransformer, SelectTransformer
+from tidal_per_transformers.transformers.single_dag_pipeline import SingleDAGPipeline as Pipeline
 
 import tidal_algorithmic_mixes.utils.constants as c
 
@@ -143,7 +143,7 @@ def transform(self):
             DiscoveryMixSortTransformer(self.conf.mix_size, sort_column=c.RANK),
             DiscoveryMixOutputTransformer(self.conf.now, sort_column=c.RANK, min_mix_size=self.conf.min_mix_size)
         ])
-        output = pipeline.fit(self.data.precomputed_recs).transform(self.data.precomputed_recs).persist()
+        output = pipeline.fit(self.data.precomputed_recs).persist()
         self._output = DiscoveryMixPostProcessorTransformationOutput(output)
 
     @staticmethod
@@ -156,7 +156,7 @@ def get_user_country(user_table: DataFrame):
         user_country_pipeline = Pipeline(stages=[
             SelectTransformer([c.ID, c.COUNTRY_CODE]),
             WithColumnRenamedTransformer(c.ID, c.USER_ID)])
-        return user_country_pipeline.fit(user_table).transform(user_table)
+        return user_country_pipeline.fit(user_table)
 
     @staticmethod
     def get_track_group_metadata(tracks_metadata: DataFrame):
@@ -170,7 +170,7 @@ def get_track_group_metadata(tracks_metadata: DataFrame):
                                  [F.first(c.MAIN_ARTISTS_IDS).getItem(0).alias(c.ARTIST_ID),
                                   F.first(c.TITLE).alias(c.TITLE)]),
         ])
-        return track_group_artist_pipeline.fit(tracks_metadata).transform(tracks_metadata)
+        return track_group_artist_pipeline.fit(tracks_metadata)
 
     @staticmethod
     def get_track_group_available_countries(track_group_metadata: DataFrame):