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/debugcommands.py Fri Feb 03 01:03:45 2023 +0100
+++ b/mercurial/debugcommands.py Fri Feb 03 01:04:22 2023 +0100
@@ -1907,7 +1907,7 @@
fm = ui.formatter(b'debugindex', opts)
- revlog = getattr(store, b'_revlog', store)
+ revlog = getattr(store, '_revlog', store)
return revlog_debug.debug_index(
ui,