ui: replace `self._ferr` with identical `dest`
Originally, it was part of a larger change that was abandoned. IMHO it makes the
code slightly cleaner and saves one attribute access, so I decided to send it
anyway instead of throwing it away.
--- a/mercurial/ui.py Sat Jun 20 11:51:34 2020 +0530
+++ b/mercurial/ui.py Thu Jun 04 06:44:00 2020 +0200
@@ -1200,7 +1200,7 @@
dest.write(msg)
# stderr may be buffered under win32 when redirected to files,
# including stdout.
- if dest is self._ferr and not getattr(self._ferr, 'closed', False):
+ if dest is self._ferr and not getattr(dest, 'closed', False):
dest.flush()
except IOError as err:
if dest is self._ferr and err.errno in (