remove np usage on int

model/hrnetv2/hrnet_ocr.py

@@ -209,7 +209,7 @@ class HighResolutionNet(nn.Module):
             num_blocks=4 * [num_blocks], num_channels=num_channels)
 
         if self.ocr_on:
-            last_inp_channels = np.int(np.sum(pre_stage_channels))
+            last_inp_channels = int(np.sum(pre_stage_channels))
             ocr_mid_channels = 2 * ocr_width
             ocr_key_channels = ocr_width