code: def push_token(self, token):
      self.pushback.append(token)
  
file_path: catboost/contrib/tools/python3/src/Lib/netrc.py
imports: import os, shlex, stat
label_desc: Use image node_id 4 for calling the _netrclex obj's underlying member method code with example usage: obj.push_token(token) without return types