code: def robust_isinstance(inst, typ) -> bool:
      
      if typ is Any:
          return True
      if is_typevar(typ):
          if hasattr(typ, '__constraints__') and typ.__constraints__ is not None:
              typs = get_args(typ, evaluate=True)
              return any(robust_isinstance(inst, t) for t in typs)
          elif hasattr(typ, '__bound__') and typ.__bound__ is not None:
              return robust_isinstance(inst, typ.__bound__)
          else:
              # a raw TypeVar means 'anything'
              return True
      else:
          if is_union_type(typ):
              typs = get_args(typ, evaluate=True)
              return any(robust_isinstance(inst, t) for t in typs)
          else:
              return isinstance(inst, get_base_generic_type(typ))
docs: Similar to isinstance, but if 'typ' is a parametrized generic Type, it is first transformed into its base generic
      class so that the instance check works. It is also robust to Union and Any.
  
      :param inst:
      :param typ:
      :return: