Strange error in show-downstream

[mikekaminsky]

Hitting an error pm show-downstream (interestingly, in this example, show-upstream works fine).

$ dbt-helper show-downstream src_organizations
Traceback (most recent call last):
  File "/Users/michael/.virtualenvs/xx_dbt/bin/dbt-helper", line 8, in <module>
    sys.exit(main())
  File "/Users/michael/.virtualenvs/xx_dbt/lib/python3.8/site-packages/core/main.py", line 280, in main
    handle(args)
  File "/Users/michael/.virtualenvs/xx_dbt/lib/python3.8/site-packages/core/main.py", line 257, in handle
    results = task.run(parsed)
  File "/Users/michael/.virtualenvs/xx_dbt/lib/python3.8/site-packages/core/show_dependencies.py", line 199, in run
    update_viz_dict(G, dbt_name)
  File "/Users/michael/.virtualenvs/xx_dbt/lib/python3.8/site-packages/core/show_dependencies.py", line 197, in update_viz_dict
    update_viz_dict(G, pred, level + 1)
  File "/Users/michael/.virtualenvs/xx_dbt/lib/python3.8/site-packages/core/show_dependencies.py", line 197, in update_viz_dict
    update_viz_dict(G, pred, level + 1)
  File "/Users/michael/.virtualenvs/xx_dbt/lib/python3.8/site-packages/core/show_dependencies.py", line 197, in update_viz_dict
    update_viz_dict(G, pred, level + 1)
  [Previous line repeated 2 more times]
  File "/Users/michael/.virtualenvs/xx_dbt/lib/python3.8/site-packages/core/show_dependencies.py", line 185, in update_viz_dict
    viz_dict[level].append(self.pretty_node_name(current_node))
  File "/Users/michael/.virtualenvs/xx_dbt/lib/python3.8/site-packages/core/show_dependencies.py", line 157, in pretty_node_name
    return self.node_info_dict[name]["alias"]
KeyError: 'alias'