fix style

Author: Davies Liu

python/pyspark/context.py

@@ -838,7 +838,8 @@ def runJob(self, rdd, partitionFunc, partitions=None, allowLocal=False):
         # by runJob() in order to avoid having to pass a Python lambda into
         # SparkContext#runJob.
         mappedRDD = rdd.mapPartitions(partitionFunc)
-        port = self._jvm.PythonRDD.runJob(self._jsc.sc(), mappedRDD._jrdd, javaPartitions, allowLocal)
+        port = self._jvm.PythonRDD.runJob(self._jsc.sc(), mappedRDD._jrdd, javaPartitions,
+                                          allowLocal)
         return list(_load_from_socket(port, mappedRDD._jrdd_deserializer))
 
     def show_profiles(self):