Log Message:
py-pymysql: updated to 0.9.2

0.9.2:
* Disalbled unintentinally enabled debug log
* Removed unintentionally installed tests

0.9.1:
* Fixed caching_sha2_password and sha256_password raise TypeError on PY2

0.9.0:
* Change default charset from latin1 to utf8mb4.  (because MySQL 8 changed)
* Support sha256_password and caching_sha2_password auth method
* Add cryptography dependency, because it's needed for new auth methods.
* Remove deprecated `no_delay` option
* Support connection attributes
* Map LOCK_DEADLOCK to OperationalError