Fix ruff format

Author: Pryanik0071

task_manager/tasks/filters.py

@@ -12,7 +12,7 @@ def label_from_instance(self, obj):
 
 
 class UserFullNameModelChoiceFilter(django_filters.ModelChoiceFilter):
-      field_class = UserFullNameChoiceField
+    field_class = UserFullNameChoiceField
 
 
 class TaskFilter(django_filters.FilterSet):

task_manager/users/forms.py

@@ -23,6 +23,7 @@ class Meta(UserCreationForm.Meta):
     def clean_username(self):
         username = self.cleaned_data['username']
         # Check if the username already exists, excluding the current user
-        if User.objects.filter(username=username).exclude(pk=self.instance.pk).exists():
+        if User.objects.filter(
+                username=username).exclude(pk=self.instance.pk).exists():
             raise ValidationError("This username is already taken.")
         return username