Update app.py

app.py

@@ -120,7 +120,7 @@ def download_file(url):
         actual_size = os.path.getsize(temp_file_path)
         if total_size != 0 and actual_size != total_size:
             logger.error(f"Downloaded file size ({actual_size} bytes) does not match expected size ({total_size} bytes)")
-            raise Exception("Incomplete download")
+            raise Exception(f"Incomplete download. Expected {total_size} bytes, got {actual_size} bytes.")
 
     logger.info(f"File downloaded and saved as: {temp_file_path}")
     logger.info(f"File size: {actual_size} bytes")