Use a better test to see if a package group doesn't exist (#439922).

1 files changed, 6 insertions, 0 deletions

diff --git a/backend.py b/backend.py
index 4c047a20e..c59ac4cb5 100644
--- a/backend.py
+++ b/backend.py
@@ -35,6 +35,12 @@ from rhpl.translate import _
 from flags import flags
 log = logging.getLogger("anaconda")
 
+class NoSuchGroup(Exception):
+    def __init__ (self, value):
+        self.value = value
+
+    def __str__ (self):
+        return self.value
 
 class AnacondaBackend:
     def __init__(self, anaconda):