Update app.py

app.py

@@ -201,7 +201,7 @@ def save_image(image, filename):
     max_filename_length = 250
     filename_stem, extension = os.path.splitext(filename)
     truncated_stem = filename_stem[:max_filename_length - len(extension)] if len(filename) > max_filename_length else filename_stem
-    filename = f"{truncated_s  tem}{extension}"
+    filename = f"{truncated_stem}{extension}"
     filename = sanitize_filename(filename)
     try:
         with open(filename, "wb") as f: