pylint fixes for handler_performance
-from niftynet.engine.application_variables import CONSOLE
-from niftynet.engine.signal import ITER_FINISHED
+# -*- coding: utf-8 -*-
+"""
+This module implements a performance logger.
+"""
import tensorflow as tf
+from niftynet.engine.application_variables import CONSOLE
+from niftynet.engine.signal import ITER_FINISHED
+
class PerformanceLogger(object):
"""
