Update app.py

app.py

@@ -37,7 +37,7 @@ def create_zip(output_files, session_id):
 
 def process_files(files, output_format):
     # Generate a unique session ID using timestamp and UUID
-    session_id = datetime.now().strftime("%Y%m%d_%H%M%S") + "_" + str(uuid.uuid4()[:8])
+    session_id = datetime.now().strftime("%Y%m%d_%H%M%S") + "_" + str(uuid.uuid4())[:8]
     output_files = convert_audio(files, output_format, session_id)
     zip_filename = create_zip(output_files, session_id)
     return zip_filename