[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

servicex/query_core.py

@@ -573,9 +573,9 @@ async def get_signed_url(
                     begin_at = new_begin_at
 
                     for file in files:
-                        file_path = file.get("file-path", '').replace("/", ":")
+                        file_path = file.get("file-path", "").replace("/", ":")
 
-                        if file_path != '' and file_path not in files_seen:
+                        if file_path != "" and file_path not in files_seen:
                             if signed_urls_only:
                                 download_tasks.append(
                                     loop.create_task(