add support for DWConv fuse operation (#898)

* the value should be a list to unpacking * filter the None labels * update readme to remove apex dependency * add support for DWConv fuse operation

add support for DWConv fuse operation (#898)
c5969f79 · tkianai · GitHub · d3f9bf2b · c5969f79
--- a/utils/torch_utils.py
+++ b/utils/torch_utils.py
@@ -112,6 +112,7 @@ def fuse_conv_and_bn(conv, bn):
                              kernel_size=conv.kernel_size,
                              stride=conv.stride,
                              padding=conv.padding,
+                              groups=conv.groups,
                              bias=True).to(conv.weight.device)
        # prepare filters