Internal import error in Databricks sdv.errors

[OscarFlores-IFi]

Environment Details

Please indicate the following details about the environment in which you found the bug:

• CTGAN version: ctgan==0.10.2
• Python version: 3.8.10
• Operating System: Databricks
• SDV version: 1.17.0

Error Description

Trying to follow the demo in https://colab.research.google.com/drive/15iom9fO8j_gHg4-NlGkzWF5thMWStXwv?usp=sharing
just importing CTGANSynthesizer generates an error because sdv.errors cannot be imported (perhaps sdv.error missing in the .init?)

raised issue initially in CTGAN: sdv-dev/CTGAN#429
Maybe is more appropiate to raise it here?

Steps to reproduce

from sdv.single_table import CTGANSynthesizer

ImportError: cannot import name 'NonParametricError' from 'sdv.errors' (/databricks/python/lib/python3.8/site-packages/sdv/errors.py)
ImportError Traceback (most recent call last)
in
----> 1 from sdv.single_table import CTGANSynthesizer
2
3 synthesizer = CTGANSynthesizer(metadata)
4 synthesizer.fit(real_data)

/databricks/python_shell/dbruntime/PythonPackageImportsInstrumentation/init.py in import_patch(name, globals, locals, fromlist, level)
165 # Import the desired module. If you’re seeing this while debugging a failed import,
166 # look at preceding stack frames for relevant error information.
--> 167 original_result = python_builtin_import(name, globals, locals, fromlist, level)
168
169 is_root_import = thread_local._nest_level == 1

/databricks/python/lib/python3.8/site-packages/sdv/single_table/init.py in
1 """Synthesizers for Single Table data."""
2
----> 3 from sdv.single_table.copulagan import CopulaGANSynthesizer
4 from sdv.single_table.copulas import GaussianCopulaSynthesizer
5 from sdv.single_table.ctgan import CTGANSynthesizer, TVAESynthesizer

/databricks/python_shell/dbruntime/PythonPackageImportsInstrumentation/init.py in import_patch(name, globals, locals, fromlist, level)
165 # Import the desired module. If you’re seeing this while debugging a failed import,
166 # look at preceding stack frames for relevant error information.
--> 167 original_result = python_builtin_import(name, globals, locals, fromlist, level)
168
169 is_root_import = thread_local._nest_level == 1

/databricks/python/lib/python3.8/site-packages/sdv/single_table/copulagan.py in
6 import rdt
7
----> 8 from sdv.single_table.copulas import GaussianCopulaSynthesizer
9 from sdv.single_table.ctgan import CTGANSynthesizer
10 from sdv.single_table.utils import (

/databricks/python_shell/dbruntime/PythonPackageImportsInstrumentation/init.py in import_patch(name, globals, locals, fromlist, level)
165 # Import the desired module. If you’re seeing this while debugging a failed import,
166 # look at preceding stack frames for relevant error information.
--> 167 original_result = python_builtin_import(name, globals, locals, fromlist, level)
168
169 is_root_import = thread_local._nest_level == 1

/databricks/python/lib/python3.8/site-packages/sdv/single_table/copulas.py in
14 from rdt.transformers import OneHotEncoder
15
---> 16 from sdv.errors import NonParametricError
17 from sdv.single_table.base import BaseSingleTableSynthesizer
18 from sdv.single_table.utils import (

ImportError: cannot import name 'NonParametricError' from 'sdv.errors' (/databricks/python/lib/python3.8/site-packages/sdv/errors.py)

[srinify]

Hi there @OscarFlores-IFi

I'm sorry that you're running into this issue! I'm not able to reproduce this locally or on Colab with a clean installation but it looks like there might be a version mismatch with some library in your installation.

Can you share a bit more about the Databricks environment or product you're using, and the commands you used to install the SDV?