Fix some weird English in create_dagrun exceptions (#23003)

uranusjr · web-flow · commit 52b724e147b9 · 2022-04-14T15:34:15.000+01:00
diff --git a/airflow/models/dag.py b/airflow/models/dag.py
@@ -2268,12 +2268,12 @@ def create_dagrun(
         """
         if run_id:  # Infer run_type from run_id if needed.
             if not isinstance(run_id, str):
-                raise ValueError(f"`run_id` expected to be a str is {type(run_id)}")
+                raise ValueError(f"`run_id` should be a str, not {type(run_id)}")
             if not run_type:
                 run_type = DagRunType.from_run_id(run_id)
         elif run_type and execution_date is not None:  # Generate run_id from run_type and execution_date.
             if not isinstance(run_type, DagRunType):
-                raise ValueError(f"`run_type` expected to be a DagRunType is {type(run_type)}")
+                raise ValueError(f"`run_type` should be a DagRunType, not {type(run_type)}")
             run_id = DagRun.generate_run_id(run_type, execution_date)
         else:
             raise AirflowException(
