code: def docs(context, builder='html'):
      "Build documentation using sphinx"
      cmdline = 'python -msphinx -M {} {} {} {}'.format(builder, DOCS_SRCDIR, DOCS_BUILDDIR, SPHINX_OPTS)
      context.run(cmdlinef docs(context, builder='html'):
      "Build documentation using sphinx"
      cmdline = 'python -msphinx -M {} {} {} {}'.format(builder, DOCS_SRCDIR, DOCS_BUILDDIR, SPHINX_OPTS)
      context.run(cmdline)
docs: Build documentation using sphinx