docs: def pass_none(func):
  	"""
  	Wrap func so it's not called if its first param is None
  
  	>>> print_text = pass_none(print)
  	>>> print_text('text')
  	text
  	>>> print_text(None)
  	"""
  	@functools.wraps(func)
  	def wrapper(param, *args, **kwargs):
  		if param is not None:
  			return func(param, *args, **kwargs)
  	return wrapper