class_docstr: A read-only variant of a `dict`.
class_docstr_tok: ["A","read-only","variant","of","a","`","dict","`","."]
code: def __copy__(self):
      return {**self}
  
imports: import copy
  import sacred.optional
  from sacred.utils import join_paths, SacredError
label_desc: Use image node_id 1 for calling the ReadOnlyDict obj's underlying member method code with example usage: obj.__copy__() and returns: dict