docstr: Return a string representation of the test performed in the branch at `index`.
  
  Parameters
  ----------
  index
      The branch index.
  shorten
      If True, return a shortened version of the performed test.
docstr_tok: ["Return","a","string","representation","of","the","test","performed","in","the","branch","at","`","index","`",".","Parameters","--","--","--","--","--","index","The","branch","index",".","shorten","If","True",",","return","a","shortened","version","of","the","performed","test","."]
code: def repr_branch(self, index: int, shorten=False):
      """Return a string representation of the test performed in the branch at `index`.
  
      Parameters
      ----------
      index
          The branch index.
      shorten
          If True, return a shortened version of the performed test.
      """
      pass
  
imports: from __future__ import annotations
  import abc
  import math
  from ..base import Branch
label_desc: Use image node_id 6 for calling the DTBranch obj's underlying member method code with example usage: obj.repr_branch(index, shorten) without return types