parameters: (self)
return_statement: return self._internal_poll()
docstring: Check if child process has terminated. Set and return returncode
          attribute.
docstring_summary: Check if child process has terminated. Set and return returncode
          attribute.
docstring_tokens: Check if child process has terminated . Set and return returncode attribute .
function: def poll(self):
          """Check if child process has terminated. Set and return returncode
          attribute."""
          return self._internal_poll()
function_tokens: def poll ( self ) : return self . _internal_poll ( )