Fixed pep8 failures in all tools/ scripts

Change-Id: Ie6e77a4d45210122746b544a1aa8da563833e395
Partially-Implements: blueprint enable-flake8

1 files changed, 3 insertions, 4 deletions

diff --git a/tools/validate-yaml.py b/tools/validate-yaml.py
index 9799a7aba..66611b85c 100755
--- a/tools/validate-yaml.py
+++ b/tools/validate-yaml.py
@@ -1,16 +1,17 @@
 #!/usr/bin/python
 
-import os
 import sys
 import argparse
 import yaml
 import logging
 
+
 def parse_args():
     p = argparse.ArgumentParser()
     p.add_argument('input', nargs='*')
     return p.parse_args()
 
+
 def main():
     args = parse_args()
     logging.basicConfig()
@@ -19,7 +20,7 @@ def main():
     for filename in args.input:
         with open(filename) as fd:
             try:
-                data = yaml.load(fd)
+                yaml.load(fd)
             except yaml.error.YAMLError as error:
                 res = 1
                 logging.error('%s failed validation: %s',
@@ -29,5 +30,3 @@ def main():
 
 if __name__ == '__main__':
     main()
-
-