Update app.py

app.py

@@ -75,7 +75,7 @@ def warp_flow(img, flow, mul=1.):
     flow[:, :, 1] + np.arange(h)[:, np.newaxis]
     # print('flow stats', flow.max(), flow.min(), flow.mean())
     # print(flow)
-    flow*=mul
+    flow*mul
     # print('flow stats mul', flow.max(), flow.min(), flow.mean())
     # res = cv2.remap(img, flow, None, cv2.INTER_LINEAR)
     res = cv2.remap(img, flow, None, cv2.INTER_LANCZOS4)