The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "test-prefect.py", line 12, in <module>
    flow1()
.....
sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) no such table: block_spec
[SQL: ALTER TABLE block_spec RENAME TO block_schema]
(Background on this error at: <https://sqlalche.me/e/14/e3q8>)