fix codestyle

python/pipeline/channel.py

@@ -97,7 +97,7 @@ class ChannelData(object):
             error_info = "the value of data must " \
                         "be dict, but get {}.".format(type(dictdata))
         return ecode, error_info
-    
+
     @staticmethod
     def check_npdata(npdata):
         ecode = ChannelDataEcode.OK.value

python/pipeline/operator.py

@@ -360,7 +360,7 @@ class Op(object):
             # postprocess
             self._profiler_record("{}-postp#{}_0".format(op_info_prefix, tid))
             output_data, error_channeldata = self._run_postprocess(
-                    parsed_data, midped_data, data_id, log)
+                parsed_data, midped_data, data_id, log)
             self._profiler_record("{}-postp#{}_1".format(op_info_prefix, tid))
             if error_channeldata is not None:
                 self._push_to_output_channels(error_channeldata,