fix kwarg type

yt_dlp_stream_to_s3/main.py

@@ -12,7 +12,7 @@ from yt_dlp_stream_to_s3.errors import YtDlpStreamToS3Error
 def yt_dlp_stream_to_s3(
     url: str,
     expiration=86400 * 7,  # 7 days
-    s3_extra_args: dict = (),
+    s3_extra_args=dict(),
 ) -> Dict[str, str]:
     media_url = remove_queries_from_url(url)
 
@@ -53,12 +53,14 @@ def yt_dlp_stream_to_s3(
 
             yt_dlp_process.wait()
 
-            return dict(
+            response = dict(
                 presigned_url=create_presigned_url(
                     AWS_S3_BUCKET_NAME, filename, expiration
                 ),
                 filesize=get_file_size(AWS_S3_BUCKET_NAME, filename),
             )
+
+            return response
     except HTTPError:
         raise YtDlpStreamToS3Error("Could not connect to the media resource.")