docs: def format_bytes_size(val):
  	"""
  	Take a number of bytes and convert it to a human readable number.
  
  	:param int val: The number of bytes to format.
  	:return: The size in a human readable format.
  	:rtype: str
  	"""
  	if not val:
  		return '0 bytes'
  	for sz_name in ['bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB']:
  		if val < 1024.0:
  			return "{0:.2f} {1}".format(val, sz_name)
  		val /= 1024.0
  	raise OverflowError()