2to3: fix a lot of white space after comma

1 files changed, 1 insertions, 1 deletions

diff --git a/graph.py b/graph.py
index 908bb71..3f2ce31 100644
--- a/graph.py
+++ b/graph.py
@@ -106,7 +106,7 @@ class DotBackend:
             ppng, outputfile = tempfile.mkstemp(".png", name)
             os.close(pdot)
             os.close(ppng)
-        pdot = open(dot_sourcepath,'w')
+        pdot = open(dot_sourcepath, 'w')
         pdot.write(str_encode(self.source, 'utf8'))
         pdot.close()
         if target != 'dot':