safehasattr: pass attribute name as string instead of bytes
This is a step toward replacing `util.safehasattr` usage with plain `hasattr`.
The builtin function behave poorly in Python2 but this was fixed in Python3.
These change are done one by one as they tend to have a small odd to trigger
puzzling breackage.
--- a/mercurial/shelve.py Thu Feb 02 17:34:48 2023 +0100
+++ b/mercurial/shelve.py Thu Feb 02 17:35:01 2023 +0100
@@ -516,7 +516,7 @@
def getcommitfunc(extra, interactive, editor=False):
def commitfunc(ui, repo, message, match, opts):
- hasmq = util.safehasattr(repo, b'mq')
+ hasmq = util.safehasattr(repo, 'mq')
if hasmq:
saved, repo.mq.checkapplied = repo.mq.checkapplied, False