How to use the mappyfile.__version__ function in mappyfile

# source_encoding = 'utf-8-sig'

# The master toctree document.
master_doc = 'index'

# General information about the project.
project = u'mappyfile'
copyright = u'2019, Seth Girvin'
author = u'Seth Girvin'

# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = mappyfile.__version__
# The full version, including alpha/beta/rc tags.
release = mappyfile.__version__

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
language = None

# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#
# today = ''
#
# Else, today_fmt is used as the format for a strftime call.

@click.version_option(version=mappyfile.__version__, message='%(version)s')
@click.pass_context
def main(ctx, verbose, quiet):
    """
    Execute the main mappyfile command
    """
    verbosity = verbose - quiet
    configure_logging(verbosity)
    ctx.obj = {}
    ctx.obj['verbosity'] = verbosity

# The master toctree document.
master_doc = 'index'

# General information about the project.
project = u'mappyfile'
copyright = u'2019, Seth Girvin'
author = u'Seth Girvin'

# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = mappyfile.__version__
# The full version, including alpha/beta/rc tags.
release = mappyfile.__version__

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
language = None

# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#
# today = ''
#
# Else, today_fmt is used as the format for a strftime call.
#
# today_fmt = '%B %d, %Y'