pythonlib: use_temp_region() overrides region silently

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@46491 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/core.py

@@ -552,7 +552,7 @@ def use_temp_region():
     handler to delete the temporary region upon termination.
     """
     name = "tmp.%s.%d" % (os.path.basename(sys.argv[0]), os.getpid())
-    run_command("g.region", save = name)
+    run_command("g.region", save = name, overwrite = True)
     os.environ['WIND_OVERRIDE'] = name
     atexit.register(del_temp_region)