Franck Pommereau / snakes

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Franck Pommereau
70ce324f 1 parent 1a92499a

fixed unexpected None value for stderr in plugin gv

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Showing 1 changed file with 1 additions and 1 deletions
...@@ -141,7 +141,7 @@ class Graph (Cluster) : ...@@ -141,7 +141,7 @@ class Graph (Cluster) :
141 if not debug : 141 if not debug :
142 os.unlink(outfile.name) 142 os.unlink(outfile.name)
143 if dot.returncode != 0 : 143 if dot.returncode != 0 :
144 - if stdout.strip() + stderr.strip() : 144 + if (stdout or "").strip() + (stderr or "").strip() :
145 stdout = "\n*** Original error message follows ***\n " + stdout 145 stdout = "\n*** Original error message follows ***\n " + stdout
146 raise IOError("%s exited with status %s%s" 146 raise IOError("%s exited with status %s%s"
147 % (engine, dot.returncode, stdout)) 147 % (engine, dot.returncode, stdout))
......