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/dispatch.py Thu Feb 02 17:37:58 2023 +0100
+++ b/mercurial/dispatch.py Thu Feb 02 17:23:37 2023 +0100
@@ -331,7 +331,7 @@
ui = req.ui
try:
- for name in b'SIGBREAK', b'SIGHUP', b'SIGTERM':
+ for name in 'SIGBREAK', 'SIGHUP', 'SIGTERM':
num = getattr(signal, name, None)
if num:
signal.signal(num, catchterm)