code: def __repr__(self):
      info = [self.__class__.__name__]
      if self._closed:
          info.append("closed")
      if self._pid is not None:
          info.append(f"pid={self._pid}")
      if self._returncode is not None:
          info.append(f"returncode={self._returncode}")
      elif self._pid is not None:
          info.append("running")
      else:
          info.append("not started")
  
      stdin = self._pipes.get(0)
      if stdin is not None:
          info.append(f"stdin={stdin.pipe}")
  
      stdout = self._pipes.get(1)
      stderr = self._pipes.get(2)
      if stdout is not None and stderr is stdout:
          info.append(f"stdout=stderr={stdout.pipe}")
      else:
          if stdout is not None:
              info.append(f"stdout={stdout.pipe}")
          if stderr is not None:
              info.append(f"stderr={stderr.pipe}")
  
      return "<{}>".format(" ".join(info))
  
imports: import collections
  import subprocess
  import warnings
  from .None import protocols
  from .None import transports
  from .log import logger
label_desc: Use image node_id 2 for calling the BaseSubprocessTransport obj's underlying member method code with example usage: obj.__repr__() and returns: str