pypy-lib 6.0.0+dfsg-2 (arm64 binary) in ubuntu cosmic

 The PyPy standard library. This is a combination of modules, copied directly
 from cpython, modified cpython modules, and modules entirely re-implemented
 (usually in pure Python, where they are C extensions in cpython).
 .
 PyPy is a fast, compliant alternative implementation of the Python language
 (2.7).