Remove annotations to make CI happy (#26820)

Author: WillAyd

pandas/compat/_optional.py

@@ -1,7 +1,6 @@
 import distutils.version
 import importlib
 import types
-from typing import Optional
 import warnings
 
 # Update install.rst when updating versions!
@@ -53,7 +52,7 @@ def import_optional_dependency(
     extra: str = "",
     raise_on_missing: bool = True,
     on_version: str = "raise",
-) -> Optional[types.ModuleType]:
+):
     """
     Import an optional dependency.
 

pandas/io/gcs.py

@@ -15,5 +15,5 @@ def get_filepath_or_buffer(filepath_or_buffer, encoding=None,
 
     fs = gcsfs.GCSFileSystem()
     filepath_or_buffer = fs.open(
-        filepath_or_buffer, mode)  # type: gcsfs.GCSFile
+        filepath_or_buffer, mode)
     return filepath_or_buffer, None, compression, True

pandas/io/s3.py

@@ -34,5 +34,5 @@ def get_filepath_or_buffer(filepath_or_buffer, encoding=None,
         # for that bucket.
         fs = s3fs.S3FileSystem(anon=True)
         filepath_or_buffer = fs.open(
-            _strip_schema(filepath_or_buffer), mode)  # type: s3fs.S3File
+            _strip_schema(filepath_or_buffer), mode)
     return filepath_or_buffer, None, compression, True