Fix Workflow.visit() to visit step.tool.

Peter Amstutz · Peter Amstutz · commit 12903efbb097 · 2016-04-22T16:33:49.000-04:00
diff --git a/cwltool/workflow.py b/cwltool/workflow.py
@@ -399,7 +399,7 @@ def job(self, joborder, basedir, output_callback, **kwargs):
 
     def visit(self, op):
         self.tool = op(self.tool)
-        self.steps = [op(s) for s in self.steps]
+        self.steps = [op(s.tool) for s in self.steps]
 
 class WorkflowStep(Process):
 
