diff --git a/setup.py b/setup.py
index 6753680..e8d1279 100644
--- a/setup.py
+++ b/setup.py
@@ -17,20 +17,19 @@ class eo_sdist(sdist):
         if os.path.exists('VERSION'):
             os.remove('VERSION')
         version = get_version()
-        version_file = open('VERSION', 'w')
-        version_file.write(version)
-        version_file.close()
+        with open('VERSION', 'w') as fd:
+            fd.write(version)
         sdist.run(self)
         if os.path.exists('VERSION'):
             os.remove('VERSION')
 
 
 def get_version():
-    '''Use the VERSION, if absent generates a version with git describe, if not
+    """Use the VERSION, if absent generates a version with git describe, if not
     tag exists, take 0.0- and add the length of the commit log.
-    '''
+    """
     if os.path.exists('VERSION'):
-        with open('VERSION', 'r') as v:
+        with open('VERSION') as v:
             return v.read()
     if os.path.exists('.git'):
         p = subprocess.Popen(