mail: import email.utils not email.Utils

email.Utils was renamed to email.utils in Python 2.5. But it appears
at some point before Python 2.7 (possibly 2.5) email.Utils was aliased
to the new home. So email.utils should be safe for all versions of
Python we support.

Differential Revision: https://phab.mercurial-scm.org/D2168

mercurial/mail.py

@@ -288,13 +288,13 b' def _addressencode(ui, name, addr, chars'
             addr = addr.encode('ascii')
         except UnicodeDecodeError:
             raise error.Abort(_('invalid local address: %s') % addr)
-    return email.Utils.formataddr((name, addr))
+    return email.utils.formataddr((name, addr))
 
 def addressencode(ui, address, charsets=None, display=False):
     '''Turns address into RFC-2047 compliant header.'''
     if display or not address:
         return address or ''
-    name, addr = email.Utils.parseaddr(address)
+    name, addr = email.utils.parseaddr(address)
     return _addressencode(ui, name, addr, charsets)
 
 def addrlistencode(ui, addrs, charsets=None, display=False):
@@ -305,7 +305,7 b' def addrlistencode(ui, addrs, charsets=N'
         return [a.strip() for a in addrs if a.strip()]
 
     result = []
-    for name, addr in email.Utils.getaddresses(addrs):
+    for name, addr in email.utils.getaddresses(addrs):
         if name or addr:
             result.append(_addressencode(ui, name, addr, charsets))
     return result