[Bug]: Fails to install
Author: coreybruceCreated May 21, 2026Updated Aug 7, 2026
Labelsbugtriage
Checklist
- The issue has not been resolved by following the troubleshooting guide
- The issue exists on a clean installation of Fooocus
- The issue exists in the current version of Fooocus
- The issue has not been reported before recently
- The issue has been reported before but has not been fixed yet
What happened?
When I go through the install steps via Python Venv it fails
Steps to reproduce the problem
Install Using Python Venv
What should have happened?
installs and works
What browsers do you use to access Fooocus?
No response
Where are you running Fooocus?
Locally
What operating system are you using?
Manjaro Linux
Console logs
../numpy/_core/src/npysort/x86-simd-sort/src/xss-network-keyvaluesort.hpp:548:31: warning: variable ‘j’ set but not used [-Wunused-but-set-variable=]
548 | for (int i = numVecs / 2, j = 0; i < numVecs; i++, j++) {
| ^
ninja: build stopped: subcommand failed.
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
× Encountered error while generating package metadata.
╰─> numpy
note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed to build 'scipy' when installing build dependencies for scipy
❯
Additional information
No response
Source: lllyasviel/Fooocus