>5 issues per 1k stars

Rank Package Issue Burden Downloads
1
sympy
sympy
A computer algebra system written in pure Python
317.5 130.3M
2
pytest-dev
pytest-xdist
pytest plugin for distributed testing and loop-on-failures testing modes.
145.7 146.7M
3
pypa
trove-classifiers
Canonical source for classifiers on PyPI.
136.1 356.9M
4
narwhals-dev
narwhals
Lightweight and extensible compatibility layer between dataframe libraries!
121.5 117M
5
python-babel
babel
The official repository for Babel, the Python Internationalization Library
110.1 104M
6
sethmlarson
truststore
Verify certificates using OS trust stores
106.6 255.9M
7
httplib2
httplib2
Small, fast HTTP client library for Python. Features persistent connections, cac...
101.8 119.9M
8
pypa
packaging
Core utilities for Python packages
90.4 1.6B
9
pypa
pip
The Python package installer
83.5 415.9M
10
joblib
joblib
Computing with Python functions.
82.9 162.3M
11
coveragepy
coverage
The code coverage tool for Python
77.3 289.8M
12
stub42
pytz
pytz Python historical timezone library and database
75.6 410.7M
13
ipython
ipython
Official repository for IPython itself. Other repos in the IPython organization ...
74.7 99.3M
14
pyca
pyopenssl
A Python wrapper around the OpenSSL library
67.8 177.7M
15
joblib
threadpoolctl
Python helpers to limit the number of threads used in native libraries that hand...
66.7 177.2M
16
gristlabs
asttokens
Annotate Python AST trees with source text and token information
66.3 97.4M
17
fonttools
fonttools
A library to manipulate font files from Python.
60.5 195.8M
18
agronholm
cbor2
Python CBOR (de)serializer with extensive tag support
54.7 67.1M
19
pypa
pyproject-hooks
A low-level library for calling build-backends in `pyproject.toml`-based project
53.8 98.4M
20
psf
cachecontrol
The httplib2 caching algorithms packaged up for use with requests.
51.5 84.3M