Update app.py

app.py

@@ -95,7 +95,7 @@ def extract_features_from_file(file):
         return values  # must return a list of 30 floats
     except Exception as e:
         print(f"Error reading file: {e}")
-        return [None] * 30  # return empty values for safety
+        return [0.0] * 30  # return empty values for safety
 
 # --- UI with Gradio ---
 with gr.Blocks() as demo: