class_docstr: WIP.
class_docstr_tok: ["WIP","."]
docstr: WIP.
docstr_tok: ["WIP","."]
code: def make_label_flat(self, var_name: str, sel: dict, isel: dict):
      """WIP."""
      var_name_str = self.var_name_to_str(var_name)
      sel_str = self.sel_to_str(sel, isel)
      if not sel_str:
          return "" if var_name_str is None else var_name_str
      if var_name_str is None:
          return sel_str
      return f"{var_name_str}[{sel_str}]"
  
imports: from typing import Union
label_desc: Use image node_id 7 for calling the BaseLabeller obj's underlying member method code with example usage: obj.make_label_flat(var_name, sel, isel) and returns: var_name_str, str, sel_str, str, unknown, sel_str