remove whitespace for style

Author: megatron-me-uk

python/pyspark/tests.py

@@ -873,7 +873,7 @@ def test_sortByKey_uses_all_partitions_not_only_first_and_last(self):
             sizes = sort.glom().map(len).collect()
             for size in sizes:
                 self.assertGreater(size, 0)
-               
+
     def test_pipe_functions(self):
         data = ['1', '2', '3']
         rdd = self.sc.parallelize(data)