Update app.py

app.py

@@ -115,7 +115,7 @@ def analyze_video_api():
             os.remove(filepath)  # Remove the file if an error occurs
             return jsonify({'error': str(e)}), 500
     else:
-        return jsonify({'error': 'Invalid file type'}), 400
+        return jsonify({'error': f'Invalid file type: {file.filename}'}), 400
 
 if __name__ == '__main__':
     app.run(host='0.0.0.0', port=7860)