git-svn-id: https://svn.osgeo.org/grass/grass/trunk@55417 15284696-431f-4ddb-bdfa-cd5b030d7da7
@@ -819,8 +819,9 @@ def StoreEnvVariable(key, value = None, envFile = None):
fd.close()
# update environmental variables
- if value is None and key in environ:
- del environ[key]
+ if value is None:
+ if key in environ:
+ del environ[key]
else:
environ[key] = value