bpo-31507 Add docstring to parseaddr function in email.utils.parseadd…

bpo-31507 Add docstring to parseaddr function in email.utils.parseadd… · python/cpython@9e7b9b2

Original file line number	Diff line number	Diff line change
`@@ -215,6 +215,12 @@ def parsedate_to_datetime(data):`
`215`	`215`
`216`	`216`
`217`	`217`	`def parseaddr(addr):`
	`218`	`+"""`
	`219`	`+ Parse addr into its constituent realname and email address parts.`
	`220`	`+`
	`221`	`+ Return a tuple of realname and email address, unless the parse fails, in`
	`222`	`+ which case return a 2-tuple of ('', '').`
	`223`	`+ """`
`218`	`224`	`addrs = _AddressList(addr).addresslist`
`219`	`225`	`if not addrs:`
`220`	`226`	`return '', ''`