Allow custom fields in the Device CSV form

Author: paravoid

netbox/dcim/forms.py

@@ -825,7 +825,7 @@ def __init__(self, *args, **kwargs):
             self.initial['rack'] = self.instance.parent_bay.device.rack_id
 
 
-class BaseDeviceCSVForm(forms.ModelForm):
+class BaseDeviceCSVForm(BootstrapMixin, CustomFieldForm):
     device_role = forms.ModelChoiceField(
         queryset=DeviceRole.objects.all(),
         to_field_name='name',

netbox/utilities/templatetags/helpers.py

@@ -116,7 +116,7 @@ def example_choices(field, arg=3):
         if not id:
             continue
         examples.append(label)
-    return ', '.join(examples) or 'None'
+    return ', '.join([ str(e) for e in examples ]) or 'None'
 
 
 #