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https://issues.apache.org/jira/browse/AIRFLOW-3246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ash Berlin-Taylor resolved AIRFLOW-3246.
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Resolution: Fixed
Fix Version/s: 1.10.2
> Make hmsclient import optional
> ------------------------------
>
> Key: AIRFLOW-3246
> URL: https://issues.apache.org/jira/browse/AIRFLOW-3246
> Project: Apache Airflow
> Issue Type: Improvement
> Components: hive_hooks
> Affects Versions: 1.10.0
> Reporter: Gavrilov Seva
> Priority: Minor
> Fix For: 1.10.2
>
>
> Currently hmsclient is imported globally in hive_hooks.py, which is
> inconsistent with the general style in this file: hive dependencies are
> imported during the runtime. For example thrift components are imported
> inside the {{get_metastore_client}} method, but hmsclient also imports thrift
> components, so it forces you to have them installed.
> I moved the import in this PR:
> https://github.com/apache/incubator-airflow/pull/4080
> To give you a bit more information on why i even bother to do such a change,
> we are having problems with the new hive dependencies of airflow 1.10,
> particularly new version of pyhive. I described the problem
> [here|https://github.com/dropbox/PyHive/issues/240], seems like a combination
> of docker environment with newest versions of these libraries. We opted to
> rollback HiveServer2 hook to use the old dependencies, among them
> {{thrift==0.9.3}}, and hmsclient requires newer version of thrift. If you by
> chance have any clue on how we can diagnose our problem, please let me know.
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