code: def _make_expr_empty_dict(toplevel, stack_builders):
      
      if toplevel.arg:
          raise DecompilationError(
              "make_expr() called with nonzero BUILD_MAP arg %d" % toplevel.arg
          )
  
      if stack_builders:
          raise DecompilationError(
              "Unexpected stack_builders for BUILD_MAP(0): %s" % stack_builders
          )
      return ast.Dict(keys=[], values=[])
docs: This should only be hit for empty dicts.  Anything else should hit the
      STORE_MAP handler instead.