Misc cleanup

netbox/utilities/fields.py

@@ -5,7 +5,12 @@ from django.db import models
 
 from .forms import ColorSelect
 
-validate_color = RegexValidator('^[0-9a-f]{6}$', 'Enter a valid hexadecimal RGB color code.', 'invalid')
+
+ColorValidator = RegexValidator(
+    regex='^[0-9a-f]{6}$',
+    message='Enter a valid hexadecimal RGB color code.',
+    code='invalid'
+)
 
 
 class NullableCharField(models.CharField):
@@ -21,7 +26,7 @@ class NullableCharField(models.CharField):
 
 
 class ColorField(models.CharField):
-    default_validators = [validate_color]
+    default_validators = [ColorValidator]
     description = "A hexadecimal RGB color code"
 
     def __init__(self, *args, **kwargs):