Move BashOperator template field logic from __init__ to execute

providers/standard/src/airflow/providers/standard/operators/bash.py

@@ -178,10 +178,6 @@ def __init__(
         self.cwd = cwd
         self.append_env = append_env
         self.output_processor = output_processor
-        self._is_inline_cmd = None
-        if isinstance(bash_command, str):
-            self._is_inline_cmd = self._is_inline_command(bash_command=bash_command)
-
     @cached_property
     def subprocess_hook(self):
         """Returns hook for running the bash command."""
@@ -215,7 +211,11 @@ def execute(self, context: Context):
                 raise AirflowException(f"The cwd {self.cwd} must be a directory")
         env = self.get_env(context)
 
-        if self._is_inline_cmd:
+        is_inline_cmd = isinstance(self.bash_command, str) and self._is_inline_command(
+            bash_command=self.bash_command
+        )
+
+        if is_inline_cmd:
             result = self._run_inline_command(bash_path=bash_path, env=env)
         else:
             result = self._run_rendered_script_file(bash_path=bash_path, env=env)

scripts/ci/prek/validate_operators_init_exemptions.txt

@@ -41,4 +41,6 @@ providers/microsoft/azure/src/airflow/providers/microsoft/azure/transfers/oracle
 providers/microsoft/psrp/src/airflow/providers/microsoft/psrp/operators/psrp.py::PsrpOperator
 providers/oracle/src/airflow/providers/oracle/transfers/oracle_to_oracle.py::OracleToOracleOperator
 providers/standard/src/airflow/providers/standard/operators/bash.py::BashOperator
+providers/papermill/src/airflow/providers/papermill/operators/papermill.py::PapermillOperator
+providers/standard/src/airflow/providers/standard/operators/bash.py::BashOperator
 providers/standard/src/airflow/providers/standard/operators/trigger_dagrun.py::TriggerDagRunOperator