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src/jflow/workflow.py

@@ -80,6 +80,7 @@ class Workflow(threading.Thread):
         self.start_time = None
         self.end_time = None
         self.step = None
+        self.stderr = None
         self.dynamic_component_present = False
         self.function = function
         self.parameters_section = parameters_section
@@ -108,7 +109,7 @@ class Workflow(threading.Thread):
             self.directory = self.manager.get_workflow_directory(self.name, self.id)
             if not os.path.isdir(self.directory):
                 os.makedirs(self.directory, 0751)
-            if not hasattr(self, "stderr") or self.stderr is None:
+            if self.stderr is None:
                 self.set_stderr()
             self._serialize()
     
@@ -592,7 +593,7 @@ class Workflow(threading.Thread):
                     elif n.state == Node.COMPLETED:
                         status["completed"] += 1
         except: pass
-        return status        
+        return status
     
     def makeflow_pretty_print_node(self, dag, node):
         sys.stdout.write('{0:>10} {1} {2}\n'.format('NODE', node.id, node.symbol))