diff --git a/tools/install_venv.py b/tools/install_venv.py
index f8c47ff04f..e108c29a11 100644
--- a/tools/install_venv.py
+++ b/tools/install_venv.py
@@ -97,7 +97,7 @@ def install_dependencies(venv=VENV):
 
   # Tell the virtual env how to "import nova"
   pthfile = os.path.join(venv, "lib", "python2.6", "site-packages", "nova.pth")
-  f=open(pthfile, 'w')
+  f = open(pthfile, 'w')
   f.write("%s\n" % ROOT)