Fix lint errors

src/registrar/forms/domain.py

@@ -147,7 +147,7 @@ class ContactForm(forms.ModelForm):
 
         for field_name in self.required:
             self.fields[field_name].required = True
-        
+
         # Set custom error messages
         self.fields["first_name"].error_messages = {'required': 'Enter your first name / given name.'}
         self.fields["last_name"].error_messages = {'required': 'Enter your last name / family name.'}
@@ -159,6 +159,7 @@ class ContactForm(forms.ModelForm):
         }
         self.fields["phone"].error_messages = {'required': 'Enter your phone number.'}
 
+
 class AuthorizingOfficialContactForm(ContactForm):
     """Form for updating authorizing official contacts."""
     def __init__(self, *args, **kwargs):