code: def test_expand_args():
      m = OrderedDict([("a", "item"), ("b", None), ("c", "d")])
      expanded = ua.expand_args(m)
  
      # None is excluded from the results.
      assert expanded == ["a", "item", "b", "c", "d"]
  
imports: from collections import OrderedDict
  import caliban.util.argparse
label_desc: Use image node_id 1 for calling a global function with example usage: test_expand_args() without return types