Fix pep8 errors

This commit fixes pep8 errors.

Change-Id: Ia1f1d61081a86b8a58251918392171cbc60f5ab8
diff --git a/tools/jenkins/jenkins_home/print_summary.py b/tools/jenkins/jenkins_home/print_summary.py
index ea943e1..ee3790f 100755
--- a/tools/jenkins/jenkins_home/print_summary.py
+++ b/tools/jenkins/jenkins_home/print_summary.py
@@ -1,7 +1,20 @@
 #!/usr/bin/python
-import urllib
+
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
 import json
 import sys
+import urllib
 
 
 def print_usage():
@@ -42,4 +55,4 @@
                                        'logUrl': log_url,
                                        'healthReport': config['healthReport']})
 
-print json.dumps(results)
+print(json.dumps(results))