turbaszek commented on a change in pull request #10930:
URL: https://github.com/apache/airflow/pull/10930#discussion_r489331040
##########
File path: airflow/example_dags/example_xcomargs.py
##########
@@ -66,4 +66,4 @@ def print_value(value):
xcom_args_a = print_value("first!") # type: ignore
xcom_args_b = print_value("second!") # type: ignore
- bash_op1 >> xcom_args_a >> xcom_args_b >> bash_op2
+ bash_op1 >> xcom_args_a >> xcom_args_b >> bash_op2 # type: ignore
Review comment:
I don't get it and I would prefer to solve it in other PR as I belived
this will required either mypy plugin or some type changes in `@task`
decorator. The original error:
```
airflow/example_dags/example_xcomargs.py:66: error: Value of type variable
"T"
of "print_value" cannot be "str"
xcom_args_a = print_value("first!")
^
airflow/example_dags/example_xcomargs.py:67: error: Value of type variable
"T"
of "print_value" cannot be "str"
xcom_args_b = print_value("second!")
^
airflow/example_dags/example_xcomargs.py:69: error: Unsupported left operand
type for >> ("BashOperator")
bash_op1 >> xcom_args_a >> xcom_args_b >> bash_op2
```
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