fix: use get_running_loop() instead of deprecated get_event_loop()

get_event_loop() is deprecated in Python 3.10+ when called inside
a running coroutine. get_running_loop() is the correct replacement.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

check_cards_and_upload.py

@@ -170,7 +170,7 @@ async def main(args):
     results_lock = asyncio.Lock()
 
     start_time = datetime.datetime.now()
-    loop = asyncio.get_event_loop()
+    loop = asyncio.get_running_loop()
     semaphore = asyncio.Semaphore(CONCURRENCY)
 
     async def report_progress():

pd_cards/core/upload.py

@@ -208,7 +208,7 @@ async def upload_cards_to_s3(
     progress_lock = asyncio.Lock()
     results_lock = asyncio.Lock()
 
-    loop = asyncio.get_event_loop()
+    loop = asyncio.get_running_loop()
     semaphore = asyncio.Semaphore(concurrency)
 
     async def report_progress():