Handle missing Blinker

jace · Apr 22, 2014 · c7520a3 · c7520a3
1 parent 44397aa
commit c7520a3
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/docflow/__init__.py b/docflow/__init__.py
@@ -181,15 +181,17 @@ def decorated_function(workflow, *args, **kwargs):
                     def workflow_submit(self, *args, **kwargs):
                         r = f.submit(self, *args, **kwargs)
                         workflow._setStateValue(t.state_to().value)
-                        t.signal.send(t)
+                        if t.signal is not None:
+                            t.signal.send(t)
                         return r
                     if six.PY3:  # pragma: no cover
                         result.submit = MethodType(workflow_submit, result)
                     else:
                         result.submit = MethodType(workflow_submit, result, f)
                 else:
                     workflow._setStateValue(t.state_to().value)
-                    t.signal.send(t)
+                    if t.signal is not None:
+                        t.signal.send(t)
 
                 return result