Hey Guix!

I've encountered the following error while trying to install poetry:

phase `patch-generated-file-shebangs' succeeded after 0.0 seconds
starting phase `build'
error: in phase 'build': uncaught exception:
misc-error #f "no setup.py found" () #f
phase `build' failed after 0.0 seconds
Backtrace:
           9 (primitive-load "/gnu/store/3353b4wb8kf4kz6m70ph2p3w0iw…")
In guix/build/gnu-build-system.scm:
    908:2  8 (gnu-build #:source _ #:outputs _ #:inputs _ #:phases . #)
In ice-9/boot-9.scm:
  1752:10  7 (with-exception-handler _ _ #:unwind? _ # _)
In srfi/srfi-1.scm:
    634:9  6 (for-each #<procedure 7ffff77ff6a0 at guix/build/gnu-b…> …)
In ice-9/boot-9.scm:
  1752:10  5 (with-exception-handler _ _ #:unwind? _ # _)
In guix/build/gnu-build-system.scm:
   929:23  4 (_)
In guix/build/python-build-system.scm:
    148:2  3 (build #:use-setuptools? _)
    135:6  2 (call-setuppy "build" () #t)
In ice-9/boot-9.scm:
  1685:16  1 (raise-exception _ #:continuable? _)
  1685:16  0 (raise-exception _ #:continuable? _)

ice-9/boot-9.scm:1685:16: In procedure raise-exception:
no setup.py found
builder for `/gnu/store/rh4nyw96hfli8lnn45rp18nnaz290lil-poetry-1.4.2.drv' failed with exit code 1
build of /gnu/store/rh4nyw96hfli8lnn45rp18nnaz290lil-poetry-1.4.2.drv failed
View build log at '/var/log/guix/drvs/rh/4nyw96hfli8lnn45rp18nnaz290lil-poetry-1.4.2.drv.gz'.
guix package: error: build of `/gnu/store/rh4nyw96hfli8lnn45rp18nnaz290lil-poetry-1.4.2.drv' failed