fix: Remove opening file object when validating S3 parquet source (#3217

)

* Remove opening the file object

Let pyarrow handle opening the path using the filesystem.

Signed-off-by: Max Z <max.zwiessele@babylonhealth.com>

* fix: linting error

Signed-off-by: Max Z <max.zwiessele@babylonhealth.com>

Signed-off-by: Max Z <max.zwiessele@babylonhealth.com>

sdk/python/feast/infra/offline_stores/file_source.py

@@ -160,9 +160,7 @@ def get_table_column_names_and_types(
         if filesystem is None:
             schema = ParquetDataset(path).schema.to_arrow_schema()
         else:
-            schema = ParquetDataset(
-                filesystem.open_input_file(path), filesystem=filesystem
-            ).schema
+            schema = ParquetDataset(path, filesystem=filesystem).schema
 
         return zip(schema.names, map(str, schema.types))