UnboundLocalError in postMessage.py

[mwfarb]

app: safeslinger-messenger local variable 'canonicalId' referenced before assignment Traceback (most recent call last): File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1511, in call rv = self.handle_exception(request, response, e) File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1505, in call rv = self.router.dispatch(request, response) File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1253, in default_dispatcher return route.handler_adapter(request, response) File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1077, in call return handler.dispatch() File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 547, in dispatch return self.handle_exception(e, self.app.debug) File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 545, in dispatch return method(_args, *_kwargs) File "/base/data/home/apps/s~safeslinger-messenger/01060000p.382656230585809204/postMessage.py", line 337, in post if canonicalId is not None: UnboundLocalError: local variable 'canonicalId' referenced before assignment