Update app.py

app.py

@@ -522,6 +522,7 @@ def gradio_inference(image):
          resize_w=300,         # resize original input to this size. None means do not resize.
          serial=True)          # if need animation, serial must be True.
 
+inferences_running = 0
 def throttled_inference(image):
     global inferences_running
     current = inferences_running