make format

src/agenda_culturel/forms.py

@@ -14,12 +14,10 @@ from django.forms import (
     HiddenInput,
     ModelChoiceField,
 )
-from datetime import date
 from django_better_admin_arrayfield.forms.widgets import DynamicArrayWidget
 
 from .models import (
     Event,
-    BatchImportation,
     RecurrentImport,
     CategorisationRule,
     ModerationAnswer,
@@ -327,7 +325,7 @@ class MergeDuplicates(Form):
 
     def get_selected_events_id(self, key):
         value = self.cleaned_data.get(key)
-        if not key in self.fields:
+        if key not in self.fields:
             return None
         else:
             if isinstance(value, list):