commit 7aa3eadca2a50ce651ce603d6100b05bb7106f1c
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Tue Sep 04 05:19:13 2018 -0400
committer GitHub <noreply@github.com> Tue Sep 04 05:19:13 2018 -0400
tree f519bb1e457ccac4763a7ec341994d40e4f6db2c
parent 1e921236d7ecc77299d34380d6a2159e9db05a1a

bpo-34530: Fix distutils find_executable() (GH-9049)


distutils.spawn.find_executable() now falls back on os.defpath if the
PATH environment variable is not set.
(cherry picked from commit 39487196c87e28128ea907a0d9b8a88ba53f68d5)

Co-authored-by: Victor Stinner <vstinner@redhat.com>

Lib/distutils/spawn.py

diff --git a/Lib/distutils/spawn.py b/Lib/distutils/spawn.py
index 5dd415a..5387688 100644
--- a/Lib/distutils/spawn.py
+++ b/Lib/distutils/spawn.py
@@ -173,7 +173,7 @@
     os.environ['PATH'].  Returns the complete filename or None if not found.
     """
     if path is None:
-        path = os.environ['PATH']
+        path = os.environ.get('PATH', os.defpath)
 
     paths = path.split(os.pathsep)
     base, ext = os.path.splitext(executable)