Fix PEP8 violations in Python mllib.

Author: Reynold Xin <rxin@apache.org>

Closes #871 from rxin/mllib-pep8 and squashes the following commits:

848416f [Reynold Xin] Fixed a typo in the previous cleanup (c -> sc).
a8db4cd [Reynold Xin] Fix PEP8 violations in Python mllib.

1 files changed, 1 insertions, 3 deletions

diff --git a/python/pyspark/mllib/util.py b/python/pyspark/mllib/util.py
index 50d0cdd087..0e5f4520b9 100644
--- a/python/pyspark/mllib/util.py
+++ b/python/pyspark/mllib/util.py
@@ -21,6 +21,7 @@ from pyspark.mllib.linalg import Vectors, SparseVector
 from pyspark.mllib.regression import LabeledPoint
 from pyspark.mllib._common import _convert_vector
 
+
 class MLUtils:
     """
     Helper methods to load, save and pre-process data used in MLlib.
@@ -44,7 +45,6 @@ class MLUtils:
             values[i] = float(value)
         return label, indices, values
 
-
     @staticmethod
     def _convert_labeled_point_to_libsvm(p):
         """Converts a LabeledPoint to a string in LIBSVM format."""
@@ -62,7 +62,6 @@ class MLUtils:
                             " but got " % type(v))
         return " ".join(items)
 
-
     @staticmethod
     def loadLibSVMFile(sc, path, multiclass=False, numFeatures=-1, minPartitions=None):
         """
@@ -135,7 +134,6 @@ class MLUtils:
             numFeatures = parsed.map(lambda x: 0 if x[1].size == 0 else x[1][-1]).reduce(max) + 1
         return parsed.map(lambda x: LabeledPoint(x[0], Vectors.sparse(numFeatures, x[1], x[2])))
 
-
     @staticmethod
     def saveAsLibSVMFile(data, dir):
         """