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Updates flake8 to the latest Python 2-compatible version so we can use indent-size=2. Our code uses 2-space indents and we have previously worked around or disabled flake8 checks that rely on 4-space indenting. Change-Id: Ia701f6e3d86be451ae86d041b799c8a10aee2d93 Reviewed-on: http://gerrit.cloudera.org:8080/18669 Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
To install new packages: 1) Add your package to deps/requirements.txt, or deps/compiled-requirements.txt if the the package needs a C/C++ compiler to build . You should specify the version number using the "foo == x.y.z" notation so future upgrades can be done automatically. 2) Run deps/download_requirements, it will download the package to the deps dir. 3) Run the "impala-python" command, this should detect that requirements.txt changed and automatically rebuild the virtualenv. 4) Now in the python prompt, you should be able to import the new module. To upgrade a package: 1) Edit deps/requirement.txt to use the version you need. 2) Go to step 2 above.