diff --git a/common.py b/common.py
index 057ecc07..46e05114 100644
--- a/common.py
+++ b/common.py
@@ -187,7 +187,7 @@ class vcs_hg(vcs):
 class vcs_bzr(vcs):
 
     def clone(self):
-        if subprocess.call(['bzr', 'branch', self.remote, self.local]) !=0:
+        if subprocess.call(['bzr', 'branch', self.remote, self.local]) != 0:
             print "Bzr branch failed"
             sys.exit(1)