pip install psycopg2 Broken: openssl?
in my case this was messing: openssl brew install openssl export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/opt/openssl/lib/
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What are Wheels in Python
Wheels are the new standard of Python distribution and are intended to replace eggs. Support is offered in pip >= 1.4 and setuptools >= 0.8 . Advantages Faster installation for pure Python and native C extension packages. Avoids arbitrary code execution for installation. (Avoids setup.py) Installation of a C extension does not require a compiler on Linux, Windows or macOS. Allows better caching for testing and continuous integration. Creates .pyc files as part of installation to ensure they match the Python interpreter used. More consistent installs across platforms and machines. Source: https://pythonwheels.com/
Top Python Testing Frameworks
Pytest for functional testing The pytest framework makes it easy to write small tests, yet scales to support complex functional testing for applications and libraries. Link to the documentation: https://docs.pytest.org/