docstr: Closes the stdin pipe from the writing end.
docstr_tok: ["Closes","the","stdin","pipe","from","the","writing","end","."]
code: def sendeof(self):
      """Closes the stdin pipe from the writing end."""
      self.proc.stdin.close()
  
imports: import os
  import threading
  import subprocess
  import sys
  import time
  import signal
  import shlex
  from .spawnbase import SpawnBase, PY3
  from .exceptions import EOF
  from .utils import string_types
label_desc: Use image node_id 10 for calling the PopenSpawn obj's underlying member method code with example usage: obj.sendeof() without return types