Fix H231 Python 3.x incompatible 'except x,y:'

This is triggered in the pep8 check when using the syncronised
requirements versions.

Change-Id: Ie73c44b85025f79e7358303fab2697e076f7cabf

diff --git a/bin/heat-api-cloudwatch b/bin/heat-api-cloudwatch
index 155a4d48fc106a747ac308838e7c45a2561ff439..6a53a43c578899dd207140e8da182b465282c3e7 100755 (executable)
--- a/bin/heat-api-cloudwatch
+++ b/bin/heat-api-cloudwatch
@@ -64,5 +64,5 @@ if __name__ == '__main__':
         server = wsgi.Server()
         server.start(app, cfg.CONF, default_port=port)
         server.wait()
-    except RuntimeError, e:
+    except RuntimeError as e:
         sys.exit("ERROR: %s" % e)