🐛 fix(utils.py): handle cases where file.filename is not a string or Path object to prevent errors

🔧 chore(utils.py): refactor save_uploaded_file function to improve code readability and maintainability

src/backend/langflow/services/cache/utils.py

@@ -169,7 +169,11 @@ def save_uploaded_file(file: UploadFile, folder_name):
     """
     cache_path = Path(CACHE_DIR)
     folder_path = cache_path / folder_name
-    file_extension = Path(file.filename).suffix
+    filename = file.filename
+    if isinstance(filename, str) or isinstance(filename, Path):
+        file_extension = Path(filename).suffix
+    else:
+        file_extension = ""
     file_object = file.file
 
     # Create the folder if it doesn't exist