code: def test_fixing_nested_dicts(conf_scope):
      cfg = conf_scope({"f": {"c": "t"}})
      assert cfg["f"]["a"] == "b"
      assert cfg["f"]["c"] == "t"
      assert cfg["composit2"] == "tada"
  
imports: import pytest
  import sacred.optional
  from sacred.config.config_scope import ConfigScope, dedent_function_body, dedent_line, get_function_body, is_empty_or_comment
  from sacred.config.custom_containers import DogmaticDict, DogmaticList
label_desc: Use image node_id 5 for calling a global function with example usage: test_fixing_nested_dicts(conf_scope) without return types