Update app.py

app.py

@@ -27,10 +27,11 @@ def inference(video, text):
   # Read the current frame
   ret, frame = capture.read()
   while ret:
-    ret,frame = capture.read()
-    print('Read a new frame: ', ret)
-    current_frame += 1
-    video_frames.append(Image.fromarray(frame[:, :, ::-1]))
+    if ret:
+      ret,frame = capture.read()
+      print('Read a new frame: ', ret)
+      current_frame += 1
+      video_frames.append(Image.fromarray(frame[:, :, ::-1]))
 
   
   # Print some statistics