Update app.py

app.py

@@ -71,8 +71,8 @@ def warp_flow(img, flow, mul=1.):
     #flow = np.load(flow)
     h, w = flow.shape[:2]
     flow = flow.copy()
-    flow[:, :, 0] += np.arange(w)
-    flow[:, :, 1] += np.arange(h)[:, np.newaxis]
+    flow[:, :, 0] + np.arange(w)
+    flow[:, :, 1] + np.arange(h)[:, np.newaxis]
     # print('flow stats', flow.max(), flow.min(), flow.mean())
     # print(flow)
     flow*=mul