ashb commented on a change in pull request #17270:
URL: https://github.com/apache/airflow/pull/17270#discussion_r678337490
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File path: airflow/decorators/__init__.py
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@@ -15,15 +15,17 @@
# specific language governing permissions and limitations
# under the License.
-from typing import Callable, Dict, Iterable, List, Optional, Union
+from typing import Callable, Optional
+
+import importlib_metadata as metadata
-from airflow.decorators.python import python_task
-from airflow.decorators.python_virtualenv import _virtualenv_task
-from airflow.decorators.task_group import task_group # noqa
Review comment:
This import is just so you can do `from airflow.decorators import
task_group` -- it is not used anywhere else, and `@task.task_group` isn't a
thing.
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