Monthly downloads
2.4K
Weekly downloads
758
GitHub stars
47
Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.
Package Information
Latest Version
Requires Python
>=3.8.0
Licence
MIT
Last Release
3 years ago
Author
Center for Human-Compatible AI
First Release
May 8, 2020
Total Releases
8
Python Versions
3
3.8
3.9
3.10
No reported malware or high/critical advisories · Details
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
20
Popularity
33
Adoption
33
Community
50
Provenance
0
How the maintenance status was determined
Last commit
1124 days ago
Monthly downloads
2,394
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
2,394
Stars
47
Stars per 1k downloads
19.63
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
108
Month daily avg
80
Momentum
—
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Momentum not reported for packages with < 5,000 monthly downloads — percentages are noisy at low volume.
More insights and metrics
Python version support tiers
requires_python
>=3.8.0
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
•
Legacy
Supports 3.10 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
1124 days ago
Total releases
8
Releases/year
1.2
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
21
Monthly downloads
2,394
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
48
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
233.3%
contrib / forks
Stale Release
No
PR Velocity
Quiet
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
94
Windows
1
Python Versions
3.12
36.3%
33
3.10
33.0%
30
3.8
18.7%
17
3.9
7.7%
7
3.7
4.4%
4
Top Countries
1.
US
81
US
2.
NL
4
NL
3.
AT
2
AT
4.
JP
2
JP
5.
SG
2
SG
6.
UG
2
UG
7.
CN
1
CN
8.
CY
1
CY
9.
DE
1
DE
10.
SK
1
SK
Weekly Downloads
GitHub Stars
Dependencies
2
70 optional dependencies
-
ale-py~=0.8.1[atari]extra == "atari"
-
ale-py~=0.8.1[test]extra == "test"
-
ale-py~=0.8.1[dev]extra == "dev"
-
autorom~=0.4.2[test]extra == "test"
-
autorom~=0.4.2[atari]extra == "atari"
-
autorom~=0.4.2[dev]extra == "dev"
-
black[test]extra == "test"
-
black[dev]extra == "dev"
-
codecov[dev]extra == "dev"
-
codecov[test]extra == "test"
-
codespell[dev]extra == "dev"
-
codespell[test]extra == "test"
-
coverage~=4.5.4[dev]extra == "dev"
-
coverage~=4.5.4[test]extra == "test"
-
darglint>=1.5.6[dev]extra == "dev"
-
darglint>=1.5.6[test]extra == "test"
-
flake8[dev]extra == "dev"
-
flake8[test]extra == "test"
-
flake8-blind-except[dev]extra == "dev"
-
flake8-blind-except[test]extra == "test"
-
flake8-builtins[dev]extra == "dev"
-
flake8-builtins[test]extra == "test"
-
flake8-commas[dev]extra == "dev"
-
flake8-commas[test]extra == "test"
-
flake8-debugger[dev]extra == "dev"
-
flake8-debugger[test]extra == "test"
-
flake8-docstrings[dev]extra == "dev"
-
flake8-docstrings[test]extra == "test"
-
flake8-isort[dev]extra == "dev"
-
flake8-isort[test]extra == "test"
-
gymnasium[test]extra == "test"
-
gymnasium[mujoco]extra == "mujoco"
-
gymnasium[dev]extra == "dev"
-
ipdb[dev]extra == "dev"
-
isort[test]extra == "test"
-
isort[dev]extra == "dev"
-
jupyter[dev]extra == "dev"
-
matplotlib[test]extra == "test"
-
matplotlib[dev]extra == "dev"
-
mypy[test]extra == "test"
-
mypy[dev]extra == "dev"
-
opencv-python[atari]extra == "atari"
-
opencv-python[dev]extra == "dev"
-
opencv-python[test]extra == "test"
-
pillow[atari]extra == "atari"
-
pillow[dev]extra == "dev"
-
pillow[test]extra == "test"
-
pydocstyle[dev]extra == "dev"
-
pydocstyle[test]extra == "test"
-
pytest[dev]extra == "dev"
-
pytest[test]extra == "test"
-
pytest-cov[dev]extra == "dev"
-
pytest-cov[test]extra == "test"
-
pytest-xdist[dev]extra == "dev"
-
pytest-xdist[test]extra == "test"
-
pytype[dev]extra == "dev"
-
pytype[test]extra == "test"
-
setuptools-scm~=7.0.5[dev]extra == "dev"
-
setuptools-scm~=7.0.5[test]extra == "test"
-
shimmy<1.0,>=0.1.0[atari]extra == "atari"
-
shimmy<1.0,>=0.1.0[dev]extra == "dev"
-
shimmy<1.0,>=0.1.0[test]extra == "test"
-
sphinx[dev]extra == "dev"
-
sphinx[docs]extra == "docs"
-
sphinx-autodoc-typehints>=1.21.5[dev]extra == "dev"
-
sphinx-autodoc-typehints>=1.21.5[docs]extra == "docs"
-
sphinx-rtd-theme[dev]extra == "dev"
-
sphinx-rtd-theme[docs]extra == "docs"
-
stable-baselines3>=0.9.0[dev]extra == "dev"
-
stable-baselines3>=0.9.0[test]extra == "test"
Used By
1
- imitation-qjm 28/mo
Data and sources
Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh