modernize some modules' code by replacing OSError->ENOENT/ENOTDIR/EPERM/EEXIST occurrences with the corresponding pep-3151 exceptions (FileNotFoundError, NotADirectoryError, etc.)
diff --git a/Lib/smtpd.py b/Lib/smtpd.py
index 1e239a1..3cab264 100755
--- a/Lib/smtpd.py
+++ b/Lib/smtpd.py
@@ -850,8 +850,7 @@
nobody = pwd.getpwnam('nobody')[2]
try:
os.setuid(nobody)
- except OSError as e:
- if e.errno != errno.EPERM: raise
+ except PermissionError:
print('Cannot setuid "nobody"; try running with -n option.', file=sys.stderr)
sys.exit(1)
try: