Support China region Athena

[liangruibupt]

ERROR:

awsathena+jdbc URI error
superset_1         | DEBUG:pyathenajdbc.connection:JVM args: ['-server', '-Djava.class.path=/usr/local/lib/python3.6/site-packages/pyathenajdbc/AthenaJDBC42_2.0.9.jar', '-Dlog4j.configuration=file:/usr/local/lib/python3.6/site-packages/pyathenajdbc/log4j.properties']
superset_1         | ERROR:superset.views.core:Unexpected error java.sql.SQLException: [Simba][AthenaJDBC](100131) An error has been thrown from the AWS SDK client. Unable to execute HTTP request: athena.athena.cn-northwest-1.amazonaws.com.cn.amazonaws.com: Name or service not known [Execution ID not available]

FIX

update https://github.com/laughingman7743/PyAthenaJDBC/blob/master/pyathenajdbc/sqlalchemy_athena.py#L120 as below

'region_name': re.sub(r'^athena\.([a-z0-9-]+)\.amazonaws\.(com.cn|com)$', r'\1', url.host),

@laughingman7743 Please help fix the issue, I have tested in my project

https://github.com/liangruibupt/covid_19_report_end2end_analytics/blob/master/Athena-Superset-China.md

[laughingman7743]

@liangruibupt Thank you!
I just released a new version 2.0.7 to PyPI.
https://pypi.org/project/PyAthenaJDBC/2.0.7/