diff --git a/git_redmine.py b/git_redmine.py
index 5849057..d06dbd1 100644
--- a/git_redmine.py
+++ b/git_redmine.py
@@ -454,7 +454,7 @@ def link(issue):
 
 class MyProgressPrinter(git.RemoteProgress):
     def update(self, op_code, cur_count, max_count=None, message=''):
-        print(op_code, cur_count, max_count, cur_count / (max_count or 100.0), message or "NO MESSAGE")
+        print(op_code, cur_count, max_count, cur_count / (max_count or 100.0), message or 'NO MESSAGE')
 
 
 def get_commits(repo, ref):
diff --git a/setup.py b/setup.py
index 380e8ab..db3976b 100755
--- a/setup.py
+++ b/setup.py
@@ -11,9 +11,9 @@ setup(
     description='Git porcelain to interface with Redmine',
     long_description=readme,
     py_modules=['git_redmine'],
-    author="Benjamin Dauvergne",
-    author_email="bdauvergne@entrouvert.com",
-    url="https://dev.entrouvert.org/projects/git-redmine/",
+    author='Benjamin Dauvergne',
+    author_email='bdauvergne@entrouvert.com',
+    url='https://dev.entrouvert.org/projects/git-redmine/',
     install_requires=[
         'Click',
         'python-redmine',