docstr: Releases the currently locked file handle
docstr_tok: ["Releases","the","currently","locked","file","handle"]
code: def release(self):
      """Releases the currently locked file handle"""
      if self.fh:
          portalocker.unlock(self.fh)
          self.fh.close()
          self.fh = None
  
imports: import os
  import time
  import atexit
  import tempfile
  import contextlib
  from .None import exceptions
  from .None import constants
  from .None import portalocker
label_desc: Use image node_id 3 for calling the Lock obj's underlying member method code with example usage: obj.release() without return types