diff --git a/docs/conf.py b/docs/conf.py
index <HASH>..<HASH> 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -55,11 +55,10 @@ author = 'Robin Thomas'
 # built documents.
 #
 import os.path
-import re
 
 with open(os.path.join(os.path.dirname(__file__), '../VERSION'), 'r') as f:
     # The full version, including alpha/beta/rc tags.
-    release = f.read().strip()
+    version = f.read().strip()
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
corrected version reference in sphinx docs