Merge pull request #27799 from benrimmington/monorepo-symlink-errors-follow-up

[update-checkout] Replace `17` with `errno.EEXIST`

Author: ahoppen

utils/update_checkout/update_checkout/update_checkout.py

@@ -11,6 +11,7 @@
 from __future__ import print_function
 
 import argparse
+import errno
 import json
 import os
 import platform
@@ -416,7 +417,7 @@ def symlink_llvm_monorepo(args):
             try:
                 os.symlink(src_path, dst_path)
             except OSError as e:
-                if e.errno == 17:
+                if e.errno == errno.EEXIST:
                     print("File '%s' already exists. Remove it, so "
                           "update-checkout can create the symlink to the "
                           "llvm-monorepo." % dst_path)