Make sure os is not even partly destroyed

1 files changed, 1 insertions, 1 deletions

diff --git a/git/cmd.py b/git/cmd.py
index c29e3485..a8afc144 100644
--- a/git/cmd.py
+++ b/git/cmd.py
@@ -287,7 +287,7 @@ class Git(LazyMixin):
                 return
 
             # can be that nothing really exists anymore ...
-            if os is None:
+            if os is None or os.kill is None:
                 return
 
             # try to kill it