[pkg] Fix extra packages not installable For instance `pip install -e ".[pyramid]"` should install the pyramid dependencies. A typo caused all these extra packages to not be found by pip. Closes #16121322.

.. _appobject_module:

:mod:`cubicweb.appobject`
=========================

.. automodule:: cubicweb.appobject

   .. autoclass:: AppObject
      :show-inheritance:
      :members: