Update app.py

app.py

@@ -9,8 +9,7 @@ openai.api_key = os.environ["OPENAI_API_KEY"]
 #A function to generate scenes of a movie, given a description of the movie, and the characters of the movie.
 def generate_scenes(input_description, character_names , character_descriptions):
     # Check if input arguments are in the correct format
-    if not (isinstance(input_description, str) and
-            re.match(r'^\[\s*".*"\s*(,\s*".*"\s*)*\]$', character_names) and
+    if re.match(r'^\[\s*".*"\s*(,\s*".*"\s*)*\]$', character_names) and
             re.match(r'^\[\s*".*"\s*(,\s*".*"\s*)*\]$', character_descriptions)):
         raise ValueError("Invalid input format")