Merge pull request #90 from mvdbeek/update_comment

Update label comment

gxformat2/export.py

@@ -69,7 +69,9 @@ def from_galaxy_native(native_workflow_dict, tool_interface=None, json_wrapper=F
 
         module_type = step.get("type")
         if module_type in ['data_input', 'data_collection_input', 'parameter_input']:
-            step_id = step["label"] if step["label"] is not None else str(step["id"])  # TODO: auto-label
+            # If there's no step label we use the step id as the gxformat2 step id,
+            # which then acts as the label. This does change workflows on a round-trip.
+            step_id = step["label"] if step["label"] is not None else str(step["id"])
             input_dict = {}
             tool_state = _tool_state(step)
             input_dict['type'] = native_input_to_format2_type(step, tool_state)