Fix issue when PATH is missing in os.environ

Closes #3144
python-poetry · Oct 8, 2020 · 6a96dd2 · 6a96dd2
1 parent 495a6ed
commit 6a96dd2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/poetry/utils/env.py b/poetry/utils/env.py
@@ -1212,7 +1212,7 @@ def unset_env(self, key):
             del os.environ[key]
 
     def _updated_path(self):
-        return os.pathsep.join([str(self._bin_dir), os.environ["PATH"]])
+        return os.pathsep.join([str(self._bin_dir), os.environ.get("PATH", "")])
 
 
 class NullEnv(SystemEnv):