calibre fails to build.

Installing calibre environment module: /gnu/store/q227rjddwqxvkd165ydj648gmak7x4xi-calibre-5.21.0/lib/python3.9/site-packages/init_calibre.py

Traceback (most recent call last):

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/./setup.py", line 119, in <module>

sys.exit(main())

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/./setup.py", line 104, in main

command.run_all(opts)

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/setup/__init__.py", line 203, in run_all

self.run_cmd(self, opts)

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/setup/__init__.py", line 199, in run_cmd

cmd.run(opts)

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/setup/install.py", line 154, in run

self.run_postinstall()

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/setup/install.py", line 177, in run_postinstall

from calibre.linux import PostInstall

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/src/calibre/linux.py", line 13, in <module>

from calibre.customize.ui import all_input_formats

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/src/calibre/customize/ui.py", line 18, in <module>

from calibre.customize.builtins import plugins as builtin_plugins

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/src/calibre/customize/builtins.py", line 752, in <module>

from calibre.devices.smart_device_app.driver import SMART_DEVICE_APP

File "/tmp/guix-build-calibre-5.21.0.drv-0/calibre-5.21.0/src/calibre/devices/smart_device_app/driver.py", line 2044, in <module>

from zeroconf import (BadTypeInNameException, _HAS_A_TO_Z,

ImportError: cannot import name '_HAS_A_TO_Z' from 'zeroconf' (/gnu/store/wd7qza7crmav4z8a0rsaqipil279smv5-python-zeroconf-0.38.1/lib/python3.9/site-packages/zeroconf/__init__.py)

error: in phase 'install': uncaught exception:

%exception #<&invoke-error program: "python" arguments: ("./setup.py" "install" "--prefix=/gnu/store/q227rjddwqxvkd165ydj648gmak7x4xi-calibre-5.21.0" "--no-compile") exit-status: 1 term-signal: #f stop-signal: #f>

phase `install' failed after 2.5 seconds

command "python" "./setup.py" "install" "--prefix=/gnu/store/q227rjddwqxvkd165ydj648gmak7x4xi-calibre-5.21.0" "--no-compile" failed with status 1

builder for `/gnu/store/jkw6y56fsbh53rn8q214ny3fxk25p6c0-calibre-5.21.0.drv' failed with exit code 1