Hello,

I am currently working to resolve a build issue of python-verspec with the
ultimate goal of submitting a package for this package, onlykey-cli, and
all other dependencies required for onlykey-cli. Onlykey is a hardware
password manager, second factor authenticator, and private key storage
manager. A working solution to the build problem is to include an empty
__init__.py file in the test folder of the source code. How do I write this
file during a build phase?

Here is the package definition for reference.
-----------------------------------
(define-public python-verspec
  (package
    (name "python-verspec")
    (version "0.1.0")
    (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "verspec" version))
        (sha256
          (base32
            "07n06wv85fm4vl1ird2mja0823js3x322wgs9gdnq1djjyk4ql64"))))
    (build-system python-build-system)
    (native-inputs
      `(("python-coverage" ,python-coverage)
        ("python-flake8" ,python-flake8)
        ("python-mypy" ,python-mypy)
        ("python-pretend" ,python-pretend)
        ("python-pytest" ,python-pytest)))
    (home-page
      "https://github.com/jimporter/verspec")
    (synopsis "Flexible version handling")
    (description "Flexible version handling")
    (license '(license:asl2.0 license:bsd-2))))
-----------------------------------

Regards,
Antwane