Ajout type contrat

venv/lib/python3.12/site-packages/django/tasks/exceptions.py

@@ -0,0 +1,21 @@
+from django.core.exceptions import ImproperlyConfigured
+
+
+class TaskException(Exception):
+    """Base class for task-related exceptions. Do not raise directly."""
+
+
+class InvalidTask(TaskException):
+    """The provided Task is invalid."""
+
+
+class InvalidTaskBackend(ImproperlyConfigured):
+    """The provided Task backend is invalid."""
+
+
+class TaskResultDoesNotExist(TaskException):
+    """The requested TaskResult does not exist."""
+
+
+class TaskResultMismatch(TaskException):
+    """The requested TaskResult is invalid."""