FIx bug creation machine

machines/forms.py

@@ -55,7 +55,8 @@ class EditInterfaceForm(ModelForm):
         self.fields['mac_address'].label = 'Adresse mac'
         self.fields['type'].label = 'Type de machine'
         self.fields['type'].empty_label = "Séléctionner un type de machine"
-        self.fields['machine'].queryset = Machine.objects.all().select_related('user')
+        if "machine" in self.fields:
+            self.fields['machine'].queryset = Machine.objects.all().select_related('user')
 
     def clean(self):
         data = super(EditInterfaceForm, self).clean()