```
$ snapcraft build epoxy
'epoxy' has dependencies that need to be staged: meson
Updating pull step for meson (source changed)
Updating build step for meson ('pull' step changed)
Looking in links: /home/ubuntu/yad-snap/parts/meson/python-packages
Collecting meson
Saved /tmp/tmpjpf53h_a/meson-0.48.0-py3-none-any.whl
Skipping meson, due to already being wheel.
ERROR: You must give at least one requirement to install (maybe you meant "pip install /home/ubuntu/yad-snap/parts/meson/python-packages"?)
Failed to run '/home/ubuntu/yad-snap/stage/usr/bin/python3 -m pip install --user --no-compile --no-index --find-links /home/ubuntu/yad-snap/parts/meson/python-packages --upgrade --no-deps': Exited with code 1.
```
Build after clean always succeed, but the rebuild will fail.
https:/ /github. com/snapcore/ snapcraft/ pull/2498