fix pylint error

Rui Wang Napieralski · Rui Wang Napieralski · commit c741b83ec88f · 2021-02-15T16:29:00.000-08:00
diff --git a/src/sagemaker/analytics.py b/src/sagemaker/analytics.py
@@ -43,6 +43,7 @@ class AnalyticsMetricsBase(with_metaclass(ABCMeta, object)):
     """
 
     def __init__(self):
+        """Initializes ``AnalyticsMetricsBase`` instance."""
         self._dataframe = None
 
     def export_csv(self, filename):
