# Buggy code
def main():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--asciidoc",
        help="Full path to python and "
        "asciidoc.py. If not given, it's searched in PATH.",
        nargs=2,
        required=False,
        metavar=("PYTHON", "ASCIIDOC"),
    )
    parser.add_argument(
        "--upload",
        help="Tag to upload the release for",
        nargs=1,
        required=False,
        metavar="TAG",
    )
    args = parser.parse_args()
    utils.change_cwd()

    upload_to_pypi = False

    if args.upload is not None:
        # Fail early when trying to upload without github3 installed
        # or without API token
        import github3  # pylint: disable=unused-variable

        read_github_token()

    run_asciidoc2html(args)
    if os.name == "nt":
        if sys.maxsize > 2**32:
            # WORKAROUND
            print("Due to a python/Windows bug, this script needs to be run ")
            print("with a 32bit Python.")
            print()
            print("See http://bugs.python.org/issue24493 and ")
            print("https://github.com/pypa/virtualenv/issues/774")
            sys.exit(1)
        artifacts = build_windows()
    elif sys.platform == "darwin":
        artifacts = build_mac()
    else:
        test_makefile()
        artifacts = build_sdist()
        upload_to_pypi = True

    if args.upload is not None:
        utils.print_title("Press enter to release...")
        input()
        github_upload(artifacts, args.upload[0])
        if upload_to_pypi:
            pypi_upload(artifacts)
    else:
        print()
        utils.print_title("Artifacts")
        for artifact in artifacts:
            print(artifact)


# Traceback (ValueError)
16:39:44 DEBUG    init       app:_init_modules:468 Initializing websettings...
16:39:45 ERROR    misc       crashsignal:exception_hook:216 Uncaught exception
Traceback (most recent call last):
File "/bin/qutebrowser", line 11, in <module>
load_entry_point('qutebrowser==1.1.1', 'gui_scripts', 'qutebrowser')()
File "/usr/lib/python3.6/site-packages/qutebrowser/qutebrowser.py", line 188, in main
return app.run(args)
File "/usr/lib/python3.6/site-packages/qutebrowser/app.py", line 137, in run
init(args, crash_handler)
File "/usr/lib/python3.6/site-packages/qutebrowser/app.py", line 163, in init
_init_modules(args, crash_handler)
File "/usr/lib/python3.6/site-packages/qutebrowser/app.py", line 469, in _init_modules
websettings.init(args)
File "/usr/lib/python3.6/site-packages/qutebrowser/config/websettings.py", line 215, in init
webenginesettings.init(args)
File "/usr/lib/python3.6/site-packages/qutebrowser/browser/webengine/webenginesettings.py", line 297, in init
websettings.init_mappings(MAPPINGS)
File "/usr/lib/python3.6/site-packages/qutebrowser/config/websettings.py", line 198, in init_mappings
mapping.set(value)
File "/usr/lib/python3.6/site-packages/qutebrowser/config/websettings.py", line 72, in set
self._set(value, settings=settings)
File "/usr/lib/python3.6/site-packages/qutebrowser/browser/webengine/webenginesettings.py", line 154, in _set
filenames = [self._find_installed(code) for code in value]
File "/usr/lib/python3.6/site-packages/qutebrowser/browser/webengine/webenginesettings.py", line 154, in <listcomp>
filenames = [self._find_installed(code) for code in value]
File "/usr/lib/python3.6/site-packages/qutebrowser/browser/webengine/webenginesettings.py", line 143, in _find_installed
local_filename = spell.local_filename(code)
File "/usr/lib/python3.6/site-packages/qutebrowser/browser/webengine/spell.py", line 64, in local_filename
all_installed = local_files(code)
File "/usr/lib/python3.6/site-packages/qutebrowser/browser/webengine/spell.py", line 51, in local_files
for matching_dict in sorted(matching_dicts, key=version, reverse=True):
File "/usr/lib/python3.6/site-packages/qutebrowser/browser/webengine/spell.py", line 36, in version
.format(filename))
ValueError: the given dictionary file name is malformed: /usr/share/qt/qtwebengine_dictionaries/en-US.bdic

# Fixed code
def main():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--asciidoc",
        help="Full path to python and "
        "asciidoc.py. If not given, it's searched in PATH.",
        nargs=2,
        required=False,
        metavar=("PYTHON", "ASCIIDOC"),
    )
    parser.add_argument(
        "--upload",
        help="Tag to upload the release for",
        nargs=1,
        required=False,
        metavar="TAG",
    )
    args = parser.parse_args()
    utils.change_cwd()

    upload_to_pypi = False

    if args.upload is not None:
        # Fail early when trying to upload without github3 installed
        # or without API token
        import github3  # pylint: disable=unused-variable

        read_github_token()

    run_asciidoc2html(args)
    if os.name == "nt":
        artifacts = build_windows()
    elif sys.platform == "darwin":
        artifacts = build_mac()
    else:
        test_makefile()
        artifacts = build_sdist()
        upload_to_pypi = True

    if args.upload is not None:
        utils.print_title("Press enter to release...")
        input()
        github_upload(artifacts, args.upload[0])
        if upload_to_pypi:
            pypi_upload(artifacts)
    else:
        print()
        utils.print_title("Artifacts")
        for artifact in artifacts:
            print(artifact)