Update app.py

app.py

@@ -29,7 +29,7 @@ logger = logging.getLogger(__name__)
 # MongoDB Configuration
 MONGODB_URI = os.getenv("MONGODB_URI")
 DATABASE_NAME = os.getenv("DATABASE_NAME")
-COLLECTION_NAME = os.getenv("COLLECTION_NAME", "invoice_collection")
+COLLECTION_NAME = os.getenv("COLLECTION_NAME")
 
 # use_gpu = False
 # output_dir = 'output'