Fixes #4489: Fix display of parent/child role on device type view

docs/release-notes/version-2.8.md

@@ -1,5 +1,13 @@
 # NetBox v2.8
 
+## v2.8.1 (FUTURE)
+
+### Bug Fixes
+
+* [#4489](https://github.com/netbox-community/netbox/issues/4489) - Fix display of parent/child role on device type view
+
+---
+
 ## v2.8.0 (2020-04-13)
 
 **NOTE:** Beginning with release 2.8.0, NetBox requires Python 3.6 or later.

netbox/templates/dcim/devicetype.html

@@ -102,13 +102,7 @@
                 <tr>
                     <td>Parent/Child</td>
                     <td>
-                        {% if devicetype.subdevice_role == True %}
-                            <label class="label label-primary">Parent</label>
-                        {% elif devicetype.subdevice_role == False %}
-                            <label class="label label-info">Child</label>
-                        {% else %}
-                            <span class="text-muted">&mdash;</span>
-                        {% endif %}
+                        {{ devicetype.get_subdevice_role_display|placeholder }}
                     </td>
                 </tr>
                 <tr>