diff --git a/smash/web/forms/appointment_form.py b/smash/web/forms/appointment_form.py
index 602486aa8b917674c9cf4cd83ba0e7cd53fef85b..b9b2004d7d806965255e0ae5c43377bfc96b6320 100644
--- a/smash/web/forms/appointment_form.py
+++ b/smash/web/forms/appointment_form.py
@@ -34,13 +34,13 @@ class AppointmentForm(ModelForm):
         for field in self.changed_data:
             new_value = self.cleaned_data[field] or self.data[field]
             if isinstance(new_value, QuerySet):
-                new_human_values = '; '.join([str(element) for element in new_value]) 
+                new_human_values = '; '.join([str(element) for element in new_value])
                 new_value = ','.join([str(element.id) for element in new_value]) #overwrite variable
                 #old value
                 if self.instance.id: #update instance
                     list_of_values = getattr(self.instance, field).all()
-                    old_human_values = '; '.join([str(element) for element in list_of_values]) 
-                    previous_value = ','.join([str(element.id) for element in list_of_values]) 
+                    old_human_values = '; '.join([str(element) for element in list_of_values])
+                    previous_value = ','.join([str(element.id) for element in list_of_values])
                 else: #new instance
                     old_human_values = ''
                     previous_value = ''
@@ -91,8 +91,8 @@ class AppointmentEditForm(AppointmentForm):
         else:
             initial_appointment_types = []
         fields = OrderedDict()
-        for i, tuple in enumerate(self.fields.items()):
-            key, value = tuple
+        for i, field_tuple in enumerate(self.fields.items()):
+            key, value = field_tuple
             fields[key] = value
             if i == APPOINTMENT_TYPES_FIELD_POSITION:
                 fields['appointment_types'] = forms.ModelMultipleChoiceField(required=False,
@@ -157,8 +157,8 @@ class AppointmentAddForm(AppointmentForm):
 
         super(AppointmentAddForm, self).__init__(*args, **kwargs)
         fields = OrderedDict()
-        for i, tuple in enumerate(self.fields.items()):
-            key, value = tuple
+        for i, field_tuple in enumerate(self.fields.items()):
+            key, value = field_tuple
             fields[key] = value
             if i == APPOINTMENT_TYPES_FIELD_POSITION:
                 fields['appointment_types'] = forms.ModelMultipleChoiceField(required=False,
diff --git a/smash/web/forms/mail_template.py b/smash/web/forms/mail_template.py
index cc14f13c5d7919d3826b016f9c019dda1dee3800..e642ec538d9fdc407e6ddbe748aadd707b77c8b6 100644
--- a/smash/web/forms/mail_template.py
+++ b/smash/web/forms/mail_template.py
@@ -13,12 +13,10 @@ class MailTemplateForm(ModelForm):
     def __init__(self, *args, **kwargs):
         super(MailTemplateForm, self).__init__(*args, **kwargs)
 
-        instance = getattr(self, 'instance', None)
-        
         self.fields['Multilingual'] = forms.BooleanField(label='Multilingual', disabled=True, required=False,
-        	help_text='Only for voucher context. Check this option if the voucher template is multilingual.', 
+        	help_text='Only for voucher context. Check this option if the voucher template is multilingual.',
         	widget=forms.CheckboxInput(attrs={'class': 'hidden_form_field', 'id': 'multilingual_checkbox'}))
 
     def clean(self):
         cleaned_data = super(MailTemplateForm, self).clean()
-        return cleaned_data
\ No newline at end of file
+        return cleaned_data