Add missing warnings import

apache · Feb 27, 2017 · 17e6820 · 17e6820
1 parent e014867
commit 17e6820
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/python/pyspark/sql/dataframe.py b/python/pyspark/sql/dataframe.py
@@ -26,6 +26,8 @@
 else:
     from itertools import imap as map
 
+import warnings
+
 from pyspark import copy_func, since
 from pyspark.rdd import RDD, _load_from_socket, ignore_unicode_prefix
 from pyspark.serializers import BatchedSerializer, PickleSerializer, UTF8Deserializer