treewide: add missing __str__ methods for models

Author: jelly

devel/models.py

@@ -74,6 +74,9 @@ def get_absolute_url(self):
             return '%s#%s' % (group.get_absolute_url(), user.username)
         return None
 
+    def __str__(self):
+        return f"{self.user}"
+
 
 class StaffGroup(models.Model):
     name = models.CharField(max_length=100)

packages/models.py

@@ -227,6 +227,9 @@ def __str__(self):
 class FlagDenylist(models.Model):
     keyword = models.CharField(max_length=255)
 
+    def __str__(self):
+        return f"{self.keyword}"
+
 
 class UpdateManager(models.Manager):
     def log_update(self, old_pkg, new_pkg):

pyproject.toml

@@ -80,6 +80,5 @@ ignore = [
     # TODO: add these one by one
     "DJ001", # Avoid using `null=True` on string-based fields such as `CharField`
     "DJ006", # Do not use `exclude` with `ModelForm`, use `fields` instead
-    "DJ008", # Model does not define `__str__` method
     "DJ012", # Order of model's inner classes, methods, and fields does not follow the Django Style Guide: `Meta` class should come before `get_absolute_url`
 ]