feat: still allow empty (null) values for member and maintainer

Author: mxmehl

gh_org_mgr/_config.py

@@ -75,8 +75,18 @@
                     "type": "string",
                     "enum": ["notifications_enabled", "notifications_disabled"],
                 },
-                "maintainer": {"type": "array", "items": {"type": "string"}},
-                "member": {"type": "array", "items": {"type": "string"}},
+                "maintainer": {
+                    "oneOf": [
+                        {"type": "null"},
+                        {"type": "array", "items": {"type": "string"}}
+                    ]
+                },
+                "member": {
+                    "oneOf": [
+                        {"type": "null"},
+                        {"type": "array", "items": {"type": "string"}}
+                    ]
+                },
                 "parent": {"type": "string"},
                 "repos": {
                     "type": "object",

tests/data/config/teams_files/teams_changes.yaml

@@ -26,3 +26,4 @@ Test3-child:
     - TEST_USER
 
 Test4:
+  member:

tests/data/config/teams_files/teams_orig.yaml

@@ -3,6 +3,7 @@
 
 Test1:
   description: First test team
+  member: []
 
 Test2:
   privacy: secret