fix: Fix chunked upload

Closes: SDK-1974
Fixes: #671

boxsdk/object/file.py

@@ -71,6 +71,7 @@ def create_upload_session(self, file_size: int, file_name: Optional[str] = None)
 
     @api_call
     def get_chunked_uploader(self, file_path: str, rename_file: bool = False) -> 'ChunkedUploader':
+        # pylint: disable=consider-using-with
         """
         Instantiate the chunked upload instance and create upload session with path to file.
 
@@ -82,10 +83,10 @@ def get_chunked_uploader(self, file_path: str, rename_file: bool = False) -> 'Ch
             A :class:`ChunkedUploader` object.
         """
         total_size = os.stat(file_path).st_size
-        with open(file_path, 'rb') as content_stream:
-            file_name = os.path.basename(file_path) if rename_file else None
-            upload_session = self.create_upload_session(total_size, file_name)
-            return upload_session.get_chunked_uploader_for_stream(content_stream, total_size)
+        content_stream = open(file_path, 'rb')
+        file_name = os.path.basename(file_path) if rename_file else None
+        upload_session = self.create_upload_session(total_size, file_name)
+        return upload_session.get_chunked_uploader_for_stream(content_stream, total_size)
 
     def _get_accelerator_upload_url_for_update(self) -> Optional[str]:
         """

boxsdk/object/folder.py

@@ -137,6 +137,7 @@ def create_upload_session(self, file_size: int, file_name: str) -> 'UploadSessio
 
     @api_call
     def get_chunked_uploader(self, file_path: str) -> 'ChunkedUploader':
+        # pylint: disable=consider-using-with
         """
         Instantiate the chunked upload instance and create upload session with path to file.
 
@@ -146,10 +147,10 @@ def get_chunked_uploader(self, file_path: str) -> 'ChunkedUploader':
             A :class:`ChunkedUploader` object.
         """
         total_size = os.stat(file_path).st_size
-        with open(file_path, 'rb') as content_stream:
-            file_name = os.path.basename(file_path)
-            upload_session = self.create_upload_session(total_size, file_name)
-            return upload_session.get_chunked_uploader_for_stream(content_stream, total_size)
+        content_stream = open(file_path, 'rb')
+        file_name = os.path.basename(file_path)
+        upload_session = self.create_upload_session(total_size, file_name)
+        return upload_session.get_chunked_uploader_for_stream(content_stream, total_size)
 
     def _get_accelerator_upload_url_fow_new_uploads(self) -> Optional[str]:
         """

boxsdk/object/upload_session.py

@@ -162,6 +162,7 @@ def get_chunked_uploader_for_stream(self, content_stream: IO[bytes], file_size:
         return ChunkedUploader(self, content_stream, file_size)
 
     def get_chunked_uploader(self, file_path: str) -> ChunkedUploader:
+        # pylint: disable=consider-using-with
         """
         Instantiate the chunked upload instance and create upload session with path to file.
 
@@ -171,8 +172,8 @@ def get_chunked_uploader(self, file_path: str) -> ChunkedUploader:
             A :class:`ChunkedUploader` object.
         """
         total_size = os.stat(file_path).st_size
-        with open(file_path, 'rb') as content_stream:
-            return self.get_chunked_uploader_for_stream(
-                content_stream=content_stream,
-                file_size=total_size,
-            )
+        content_stream = open(file_path, 'rb')
+        return self.get_chunked_uploader_for_stream(
+            content_stream=content_stream,
+            file_size=total_size,
+        )