Update app.py

app.py

@@ -167,7 +167,8 @@ def remove_bg(fl):
     #remove regions of low saturation and lightness (get scene without shadow)
     m = cv2.inRange(cv2.cvtColor(frame_c, cv2.COLOR_RGB2HSV), np.array([0,0,0]), np.array([180,32,64]))
     mask = cv2.inRange(blur_s, 0, 127)
-    frame[all([m>0, mask>0])] = (127,127,127)
+    masks = np.bitwise_and(m, mask)
+    frame[masks>0] = (127,127,127)
     frame = cv2.medianBlur(frame, b)