PEP8 fixes

netbox/dcim/forms.py

@@ -1400,7 +1400,7 @@ class InterfaceConnectionForm(BootstrapMixin, ChainedFieldsMixin, forms.ModelFor
     )
     rack_b = ChainedModelChoiceField(
         queryset=Rack.objects.all(),
-        chains = {'site': 'site_b'},
+        chains={'site': 'site_b'},
         label='Rack',
         required=False,
         widget=APISelect(
@@ -1410,7 +1410,7 @@ class InterfaceConnectionForm(BootstrapMixin, ChainedFieldsMixin, forms.ModelFor
     )
     device_b = ChainedModelChoiceField(
         queryset=Device.objects.all(),
-        chains = {'site': 'site_b', 'rack': 'rack_b'},
+        chains={'site': 'site_b', 'rack': 'rack_b'},
         label='Device',
         required=False,
         widget=APISelect(
@@ -1432,7 +1432,7 @@ class InterfaceConnectionForm(BootstrapMixin, ChainedFieldsMixin, forms.ModelFor
         queryset=Interface.objects.exclude(form_factor__in=VIRTUAL_IFACE_TYPES).select_related(
             'circuit_termination', 'connected_as_a', 'connected_as_b'
         ),
-        chains = {'device': 'device_b'},
+        chains={'device': 'device_b'},
         label='Interface',
         widget=APISelect(
             api_url='/api/dcim/interfaces/?device_id={{device_b}}&type=physical',

netbox/utilities/forms.py

@@ -335,14 +335,14 @@ class ChainedModelChoiceField(forms.ModelChoiceField):
     """
     A ModelChoiceField which is initialized based on the values of other fields within a form. `chains` is a dictionary
     mapping of model fields to peer fields within the form. For example:
-    
+
         country1 = forms.ModelChoiceField(queryset=Country.objects.all())
         city1 = ChainedModelChoiceField(queryset=City.objects.all(), chains={'country': 'country1'}
-    
+
     The queryset of the `city1` field will be modified as
-    
+
         .filter(country=<value>)
-    
+
     where <value> is the value of the `country1` field. (Note: The form must inherit from ChainedFieldsMixin.)
     """
     def __init__(self, chains=None, *args, **kwargs):