Change dashes to underscores since Ansible will look to enforce in 2.10+

FragmentedPacket · FragmentedPacket · commit 51404db3e871 · 2020-03-29T20:57:18.000Z
diff --git a/plugins/inventory/nb_inventory.py b/plugins/inventory/nb_inventory.py
@@ -606,6 +606,7 @@ def add_host_to_groups(self, host, hostname):
                 continue
 
             for sub_group in sub_groups:
+                sub_group = sub_group.replace('-', '_')
                 if self.group_names_raw:
                     group_name = sub_group
                 else:
