PyRank
PyCQA

pyflakes

A simple program which checks Python source files for errors
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

pyflakes has 66.5M monthly downloads and 1K GitHub stars. Version 3.4.0 supports Python 3.9+, first published in 2009.

It is showing limited recent maintenance under a permissive license, last released in Jun 2025.

It is used by 203 tracked packages, including flake8, autoflake and aider-chat.

GitHub topics include linter.

Downloads
Day
2.0M
Week
14.0M
Month
66.5M
Stars
1.5K
Forks
185
Issues
44
Version
3.4.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
40
Popularity
66
Adoption
70
Community
80
Provenance
0
How the maintenance status was determined
Last commit
381 days ago
Monthly downloads
66,546,026
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
• At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
66,546,026
Stars
1,451
Stars per 1k downloads
0.02
• Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
2,000,606
Month daily avg
2,218,201
Momentum
-9.8%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.9
Cutting Edge
Minimum supported version is 3.12 or newer
• Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
381 days ago
Total releases
40
Releases/year
2.3
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
• Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
105
Monthly downloads
66,546,026
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
67
 
Issue Burden
30.3
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
56.8%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 950.2K
Windows 20.2K
macOS 13.5K

Python Versions

3.12
33.6% 279.1K
3.11
28.2% 233.7K
3.10
16.8% 139.6K
3.13
14.8% 123.0K
3.9
6.5% 54.2K

Top Countries

1. US US
719.2K
2. SG SG
58.2K
3. DE DE
40.9K
4. IE IE
34.5K
5. CN CN
19.5K
6. GB GB
14.5K
7. NL NL
12.7K
8. JP JP
11.6K
9. RU RU
10.6K
10. IN IN
8.6K
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
MIT
First Release
January 30, 2009
Last Release
1 year ago
Last Commit
1 year ago
Latest Version
3.4.0
Total Releases
40
Contributors
105
Open PRs
16
Archived
No
Author
A lot of people
Python Versions
3
Wheels
py2 py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links