py3: cast character set to bytes
The returned value from this function is eventually fed into
email.charset.Charset.__init__. However, the standard library
appears to handle both string types in Python 2 and 3. So there
shouldn't be any problem returning a bytes here.
Differential Revision: https://phab.mercurial-scm.org/D2167
--- a/mercurial/mail.py Sun Feb 11 18:47:19 2018 -0800
+++ b/mercurial/mail.py Sun Feb 11 18:50:24 2018 -0800
@@ -187,7 +187,7 @@
def codec2iana(cs):
''''''
- cs = email.charset.Charset(cs).input_charset.lower()
+ cs = pycompat.sysbytes(email.charset.Charset(cs).input_charset.lower())
# "latin1" normalizes to "iso8859-1", standard calls for "iso-8859-1"
if cs.startswith("iso") and not cs.startswith("iso-"):