scipy version

app.py

@@ -222,7 +222,7 @@ def predict(depth_idx):
     center_anchor = int(len(anchor_list) / 2)
     i = max(0, center_anchor - int(tile_size / 2))
     j = i + tile_size
-    tile = input_matrix[i:j, i:j].A
+    tile = input_matrix[i:j, i:j].toarray()
     tile = np.expand_dims(tile, -1)
     tile = np.expand_dims(tile, 0)