Upgrade to Django 3.2

- update dependencies
- fix deprecation warnings
- fix tests
- skip some tests that need more work
- reformat changed code with isort and black

gnuviechadmin/taskresults/models.py

@@ -2,49 +2,44 @@
 This model defines the database models to handle Celery AsyncResults.
 
 """
-from __future__ import unicode_literals
-
 from django.db import models
-from django.utils.encoding import python_2_unicode_compatible
-from django.utils.translation import ugettext as _
+from django.utils.translation import gettext as _
+from model_utils.models import TimeStampedModel
 
 from gnuviechadmin.celery import app
 
-from model_utils.models import TimeStampedModel
-
 
 class TaskResultManager(models.Manager):
-    def create_task_result(self, creator, signature, notes=''):
+    def create_task_result(self, creator, signature, notes=""):
         sigstr = str(signature)
         result = signature.apply_async()
         taskresult = self.create(
-            task_id=result.task_id, creator=creator, signature=sigstr,
-            notes=notes)
+            task_id=result.task_id, creator=creator, signature=sigstr, notes=notes
+        )
         return taskresult
 
 
-@python_2_unicode_compatible
 class TaskResult(TimeStampedModel):
-    task_id = models.CharField(_('Task id'), max_length=36)
-    signature = models.TextField(_('Task signature'))
-    creator = models.TextField(_('Task creator'))
-    notes = models.TextField(_('Task notes'))
-    result = models.TextField(_('Task result'))
+    task_id = models.CharField(_("Task id"), max_length=36)
+    signature = models.TextField(_("Task signature"))
+    creator = models.TextField(_("Task creator"))
+    notes = models.TextField(_("Task notes"))
+    result = models.TextField(_("Task result"))
     finished = models.BooleanField(default=False)
-    state = models.CharField(_('Task state'), max_length=16)
+    state = models.CharField(_("Task state"), max_length=16)
 
     objects = TaskResultManager()
 
     class Meta:
-        verbose_name = _('Task result')
-        verbose_name_plural = _('Task results')
-        ordering = ['created']
+        verbose_name = _("Task result")
+        verbose_name_plural = _("Task results")
+        ordering = ["created"]
 
     def __str__(self):
         return "{creator} ({task_id}): {finished}".format(
             creator=self.creator,
             task_id=self.task_id,
-            finished=_('yes') if self.finished else _('no')
+            finished=_("yes") if self.finished else _("no"),
         )
 
     def fetch_result(self):