How to use the pooch.version.full_version.split function in pooch

plot_include_source = True
plot_formats = ["png"]

# Sphinx project configuration
templates_path = ["_templates"]
exclude_patterns = ["_build", "**.ipynb_checkpoints"]
source_suffix = ".rst"
# The encoding of source files.
source_encoding = "utf-8-sig"
master_doc = "index"

# General information about the project
year = datetime.date.today().year
project = "Pooch"
copyright = "2018-{}, The Pooch Developers".format(year)
if len(full_version.split("+")) > 1 or full_version == "unknown":
    version = "dev"
else:
    version = full_version

# These enable substitutions using |variable| in the rst files
rst_epilog = """
.. |year| replace:: {year}
""".format(
    year=year
)

html_last_updated_fmt = "%b %d, %Y"
html_title = project
html_short_title = project
html_logo = "_static/pooch-logo.png"
html_favicon = "_static/favicon.png"