I suggest to remove weird echo flag because it's behavior is confusing. There is similar flag in SQLAlchemy for instance and it's behavior is the following: "if you don't want to setup your own logging, then specify echo=True and library will add handler for internal logger which outputs logs automatically, but if you setup loggers manually, then you don't need echo flag and logging just works" (https://github.com/sqlalchemy/sqlalchemy/blob/4aadcca993ce30c25b09679178907991b4430b2e/lib/sqlalchemy/log.py#L94-L97).

In case of aiopg it's simply: