pip install validoot==1.3

Simple validation for function arguments using a decorator.

Source
Among fairly niche packages on PyPI.
Over 283 downloads in the last 90 days.

Commonly used with validoot

Based on how often these packages appear together in public requirements.txt files on GitHub.

mgrs

MGRS coordinate conversion for Python

python-bls

BLS12-381 and Signatures in python

tinyprog

Programmer for FPGA boards using the TinyFPGA USB Bootloader (http://tinyfpga.com).

hilbertcurve

Construct Hilbert Curves.

tinyfpgab

Programmer for the TinyFPGA B2 boards (http://tinyfpga.com)

weightedstats

Mean, weighted mean, median, weighted median

sc0ns

scons, which can be installed with easy_install/pip

yahmm

YAHMM is a HMM package for Python, implemented in Cython for speed.

pyjson5

JSON5 serializer and parser for Python 3 written in Cython.

oktopus

soft-bodied, eight-armed package for beautiful inference

colorspacious

A powerful, accurate, and easy-to-use Python library for doing colorspace conversions

validate

Config file reading, writing, and validation.

brandelion

Social media brand analytics

plyfile

PLY file reader/writer

floatextras

Extra functions on the built-in `float` similar to those on `Decimal`.

MetaMindApi

MetaMind client for text and image classification

pysimdjson

simdjson bindings for python

id3parse

A parser and serializer for ID3v2 tags

toolforge

Small library for common tasks on Wikimedia Toolforge

Version usage of validoot

Proportion of downloaded versions in the last 3 months (only versions over 1%).

1.3

29.33%

1.1

25.44%

1.2

25.44%

1.0

19.79%