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-rw-r--r--python/pyspark/join.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/python/pyspark/join.py b/python/pyspark/join.py
index c3491defb2..94df399016 100644
--- a/python/pyspark/join.py
+++ b/python/pyspark/join.py
@@ -32,6 +32,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
from pyspark.resultiterable import ResultIterable
+from functools import reduce
def _do_python_join(rdd, other, numPartitions, dispatch):