update mobilenetv2 space

paddleslim/nas/search_space/search_space_base.py

@@ -19,7 +19,7 @@ class SearchSpaceBase(object):
     """Controller for Neural Architecture Search.
     """
 
-    def __init__(self, input_size, output_size, block_num, block_mask, *argss):
+    def __init__(self, input_size, output_size, block_num, block_mask, *args):
         """init model config
         """
         self.input_size = input_size