Show DataFrameNaFunctions in docs.

rxin · rxin · commit 19f46b77b790 · 2015-03-30T22:30:21.000-07:00
diff --git a/python/pyspark/sql/__init__.py b/python/pyspark/sql/__init__.py
@@ -38,7 +38,7 @@
 
 from pyspark.sql.context import SQLContext, HiveContext
 from pyspark.sql.types import Row
-from pyspark.sql.dataframe import DataFrame, GroupedData, Column, SchemaRDD
+from pyspark.sql.dataframe import DataFrame, GroupedData, Column, SchemaRDD, DataFrameNaFunctions
 
 __all__ = [
     'SQLContext', 'HiveContext', 'DataFrame', 'GroupedData', 'Column', 'Row', 'DataFrameNaFunctions'
