diff --git a/core/src/main/scala/org/apache/spark/deploy/PythonRunner.scala b/core/src/main/scala/org/apache/spark/deploy/PythonRunner.scala
index 89f3fd47724fe..0d6751f3fa6d2 100644
--- a/core/src/main/scala/org/apache/spark/deploy/PythonRunner.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/PythonRunner.scala
@@ -57,7 +57,6 @@ object PythonRunner {
     val builder = new ProcessBuilder(Seq(pythonExec, "-u", formattedPythonFile) ++ otherArgs)
     val env = builder.environment()
     env.put("PYTHONPATH", pythonPath)
-    env.put("PYSPARK_PYTHON", pythonExec)
     env.put("PYSPARK_GATEWAY_PORT", "" + gatewayServer.getListeningPort)
     builder.redirectErrorStream(true) // Ugly but needed for stdout and stderr to synchronize
     val process = builder.start()
diff --git a/python/pyspark/java_gateway.py b/python/pyspark/java_gateway.py
index 4e1ad472a6d2c..099cc1db0ba52 100644
--- a/python/pyspark/java_gateway.py
+++ b/python/pyspark/java_gateway.py
@@ -86,11 +86,12 @@ def run(self):
     java_import(gateway.jvm, "org.apache.spark.api.python.*")
     java_import(gateway.jvm, "org.apache.spark.streaming.api.java.*")
     java_import(gateway.jvm, "org.apache.spark.streaming.api.python.*")
-    java_import(gateway.jvm, "org.apache.spark.streaming.*")  # for Duration and Time
+    java_import(gateway.jvm, "org.apache.spark.streaming.*")
     java_import(gateway.jvm, "org.apache.spark.mllib.api.python.*")
     java_import(gateway.jvm, "org.apache.spark.sql.SQLContext")
     java_import(gateway.jvm, "org.apache.spark.sql.hive.HiveContext")
     java_import(gateway.jvm, "org.apache.spark.sql.hive.LocalHiveContext")
     java_import(gateway.jvm, "org.apache.spark.sql.hive.TestHiveContext")
     java_import(gateway.jvm, "scala.Tuple2")
+
     return gateway
diff --git a/python/pyspark/streaming/dstream.py b/python/pyspark/streaming/dstream.py
index b1d1b0d8dc165..696de900b0a69 100644
--- a/python/pyspark/streaming/dstream.py
+++ b/python/pyspark/streaming/dstream.py
@@ -412,7 +412,7 @@ def get_output(rdd, time):
 # TODO: implement countByWindow
 # TODO: implement reduceByWindow
 
-# transform Operation
+# Transform Operation
 # TODO: implement transform
 # TODO: implement transformWith
 # Following operation has dependency with transform
@@ -421,7 +421,7 @@ def get_output(rdd, time):
 # TODO: implement cogroup
 # TODO: implement join
 # TODO: implement leftOuterJoin
-# TODO: implemtnt rightOuterJoin
+# TODO: implement rightOuterJoin
 
 
 class PipelinedDStream(DStream):