class_docstr: Special Step subclass for Model inputs.
  
  It is characterized by having no inputs (in_degree == 0)
  and exactly one output (out_degree == 1).
class_docstr_tok: ["Special","Step","subclass","for","Model","inputs",".","It","is","characterized","by","having","no","inputs","(","in_degree","==","0",")","and","exactly","one","output","(","out_degree","==","1",")","."]
code: def __repr__(self):
      step_attrs = ["name"]
      return make_repr(self, step_attrs)
  
imports: import inspect
  import warnings
  from typing import Any, Callable, Dict, List, Optional, Union, TYPE_CHECKING
  from baikal._core.data_placeholder import DataPlaceholder, is_data_placeholder_list
  from baikal._core.utils import listify, make_name, make_repr
label_desc: Use image node_id 2 for calling the InputStep obj's underlying member method code with example usage: obj.__repr__() and returns: make_repr