Fix video inference

app.py

@@ -67,7 +67,7 @@ def main():
     
 
     with st.spinner(f'Analyzing {file_type}...'):
-        if file_type == 'video':
+        if file_type == 'video' or file_type == 'mp4':
             result = video_pipeline(video_path, config_payload=config_payload)
         else:
             result = image_pipeline({'images': [img2base64(np.array(img))]}, config_payload=config_payload)