remove sleep after the fix

app.py

@@ -169,9 +169,6 @@ class SpaceBuilder:
             print(ex)
             cls.error_message = "An exception occurred during temporary file writing"
             return False
-
-        # Sleep a little bit otherwise the interface might not build at the space after uploading a file
-        time.sleep(1)
         try:
             file_url = upload_file(
                 path_or_fileobj="temp_file.txt",