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/cmdutil.py Thu Feb 02 17:19:55 2023 +0100
+++ b/mercurial/cmdutil.py Thu Feb 02 17:20:46 2023 +0100
@@ -1450,7 +1450,7 @@
if returnrevlog:
if isinstance(r, revlog.revlog):
pass
- elif util.safehasattr(r, b'_revlog'):
+ elif util.safehasattr(r, '_revlog'):
r = r._revlog # pytype: disable=attribute-error
elif r is not None:
raise error.InputError(