use latest version of pip in CI pipeline #2846
Merged
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Small tweak to CI.
1 Use latest version of pip to install dependencies. There can be some variation depending on which python version is used, this ensures the latest version.
2 Use
--no-cache-dir
during dependency installation, this avoid creating local pip cache which is redundant because it is discarded between runs and because we are caching the entire python environment with all installed dependencies.This PR should not conflict with #2820, however, it's probably a good idea to merge #2820 first.