[has_table](https://github.com/databricks/databricks-sql-python/blob/398ab445efc7ad73c4c666817a0e584547e5b2fb/src/databricks/sqlalchemy/dialect/__init__.py#L275-L293) gets the schema namebut [doesn't pass it](https://github.com/databricks/databricks-sql-python/blob/398ab445efc7ad73c4c666817a0e584547e5b2fb/src/databricks/sqlalchemy/dialect/__init__.py#L285) to `DESCRIBE`. This causes SQLAlchemy to fail to drop a given table (in a given schema).