Update mobilenet_v1.py

ppcls/arch/backbone/legendary_models/mobilenet_v1.py

@@ -21,7 +21,6 @@ import paddle.nn as nn
 from paddle.nn import Conv2D, BatchNorm, Linear, Dropout, ReLU, Flatten
 from paddle.nn import AdaptiveAvgPool2D
 from paddle.nn.initializer import KaimingNormal
-import math
 
 from ppcls.arch.backbone.base.theseus_layer import TheseusLayer
 from ppcls.utils.save_load import load_dygraph_pretrain_from, load_dygraph_pretrain_from_url
@@ -106,7 +105,6 @@ class MobileNet(TheseusLayer):
         super(MobileNet, self).__init__()
         self.scale = scale
         self.pretrained = pretrained
-        self.block_list = []
 
         self.conv = ConvBNLayer(
             num_channels=3,