remove top-level pandera __init__ import warning (#2088)

* remove top-level pandera __init__ import warning

Signed-off-by: cosmicBboy <[email protected]>

* fix lint

Signed-off-by: cosmicBboy <[email protected]>

---------

Signed-off-by: cosmicBboy <[email protected]>

Author: cosmicBboy

README.md

@@ -140,7 +140,7 @@ print(Schema.validate(df))
 >
 > And all of the rest of your pandera code should work. Using the top-level
 > `pandera` module to access `DataFrameSchema` and the other pandera classes
-> or functions will be deprecated in a future version
+> or functions will be deprecated in version `0.29.0`
 
 
 ## Next steps

docs/source/index.md

@@ -257,7 +257,7 @@ import pandera.pandas as pa
 
 And all of the rest of your pandera code should work. Using the top-level
 `pandera` module to access `DataFrameSchema` and the other pandera classes
-or functions will be deprecated in a future version
+or functions will be deprecated in version `0.29.0`
 :::
 
 ## Informative Errors

pandera/__init__.py

@@ -4,19 +4,6 @@
 from pandera._version import __version__
 
 
-_warning_msg = """Pandas and numpy have been removed from the base pandera
-dependencies. Please install pandas as part of your environment's
-dependencies or install the pandas extra with:
-
-```bash
-pip install pandas pandera
-
-# or
-pip install 'pandera[pandas]'
-```
-"""
-
-
 try:
     # Only add pandas to the top-level pandera namespace
     # if pandas and numpy are installed
@@ -33,14 +20,17 @@
         *_pandas_deprecated_all,
     ]
 
-except ImportError as err:
+except (ImportError, ModuleNotFoundError) as err:
     import warnings
 
     err_msg = str(err)
-    if err_msg in {"No module named 'pandas'", "No module named 'numpy'"}:
-        warnings.warn(_warning_msg, UserWarning)
-    elif err_msg.startswith("pandera requires pandas >= 2.1.1"):
+    if err_msg.startswith("pandera requires pandas >= 2.1.1"):
         warnings.warn(err_msg, UserWarning)
+    elif err_msg.startswith(
+        ("No module named 'pandas'", "No module named 'numpy'")
+    ):
+        # ignore this error
+        pass
     else:
         raise  # Re-raise any other `ImportError` exceptions