[airflow] branch main updated: Update TaskGroup typing (#16811)

[potiuk]

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potiuk pushed a commit to branch main
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The following commit(s) were added to refs/heads/main by this push:
     new 33af2b1  Update TaskGroup typing (#16811)
33af2b1 is described below

commit 33af2b19a210e1041ac93b563123d41a29a4d637
Author: Alex Tonkonozhenko <tonkonozhe...@gmail.com>
AuthorDate: Mon Jul 5 18:09:22 2021 +0300

    Update TaskGroup typing (#16811)
    
    * Update TaskGroup typing
    
    * Update task_group.py
---
 airflow/utils/task_group.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/airflow/utils/task_group.py b/airflow/utils/task_group.py
index 4c91c09..5f04f26 100644
--- a/airflow/utils/task_group.py
+++ b/airflow/utils/task_group.py
@@ -247,7 +247,7 @@ class TaskGroup(TaskMixin):
         """Set a TaskGroup/task/list of task upstream of this TaskGroup."""
         self._set_relative(task_or_task_list, upstream=True)
 
-    def __enter__(self):
+    def __enter__(self) -> "TaskGroup":
         TaskGroupContext.push_context_managed_task_group(self)
         return self