Merge pull request #1926 from nemonameless/fix_ShuffleNetV2_x2_0_ch

 fix ShuffleNetV2 config

ppcls/arch/backbone/model_zoo/shufflenet_v2.py

@@ -233,7 +233,7 @@ class ShuffleNet(Layer):
         elif scale == 1.5:
             stage_out_channels = [-1, 24, 176, 352, 704, 1024]
         elif scale == 2.0:
-            stage_out_channels = [-1, 24, 224, 488, 976, 2048]
+            stage_out_channels = [-1, 24, 244, 488, 976, 2048]
         else:
             raise NotImplementedError("This scale size:[" + str(scale) +
                                       "] is not implemented!")