Cleanup from first pass review

django/tasks/__init__.py

@@ -13,6 +13,7 @@ from .task import (
 
 __all__ = [
     "tasks",
+    "default_task_backend",
     "DEFAULT_TASK_BACKEND_ALIAS",
     "DEFAULT_QUEUE_NAME",
     "task",
@@ -26,10 +27,7 @@ class TasksHandler(BaseConnectionHandler):
     exception_class = InvalidTaskBackendError
 
     def create_connection(self, alias):
-        params = self.settings[alias].copy()
-
-        # Added back to allow a backend to self-identify
-        params["ALIAS"] = alias
+        params = self.settings[alias]
 
         backend = params["BACKEND"]
 
@@ -40,7 +38,7 @@ class TasksHandler(BaseConnectionHandler):
                 f"Could not find backend '{backend}': {e}"
             ) from e
 
-        return backend_cls(params)
+        return backend_cls({**params, "ALIAS": alias})
 
 
 tasks = TasksHandler()

django/tasks/backends/base.py

@@ -39,7 +39,7 @@ class BaseTaskBackend(metaclass=ABCMeta):
         if not connections.settings:
             return False
 
-        if isinstance(task.enqueue_on_commit, bool):
+        if task.enqueue_on_commit is not None:
             return task.enqueue_on_commit
 
         return self.enqueue_on_commit

django/tasks/checks.py

@@ -8,7 +8,4 @@ def check_tasks(app_configs=None, **kwargs):
     from django.tasks import tasks
 
     for backend in tasks.all():
-        try:
-            yield from backend.check()
-        except NotImplementedError:
-            pass
+        yield from backend.check()

django/tasks/exceptions.py

@@ -3,7 +3,7 @@ from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist
 
 class InvalidTaskError(Exception):
     """
-    The provided task function is invalid.
+    The provided task is invalid.
     """