Fixed #17023 -- Unified `WizardView` `process_step()` documentation. Thanks semente for the report.

    the step itself. For more, see the :ref:`form prefix documentation

    <form-prefix>`.

.. method:: WizardView.process_step(form)

    Hook for modifying the wizard's internal state, given a fully validated

    :class:`~django.forms.Form` object. The Form is guaranteed to have clean,

    valid data.

    Note that this method is called every time a page is rendered for *all*

    submitted steps.

    The default implementation::

        def process_step(self, form):

            return self.get_form_step_data(form)

.. method:: WizardView.get_form_initial(step)

    Returns a dictionary which will be passed as the

.. method:: WizardView.process_step(form)

    Hook for modifying the wizard's internal state, given a fully validated

    :class:`~django.forms.Form` object. The Form is guaranteed to have clean,

    valid data.

    This method gives you a way to post-process the form data before the data

    gets stored within the storage backend. By default it just returns the

    ``form.data`` dictionary. You should not manipulate the data here but you

    can use it to do some extra work if needed (e.g. set storage extra data).

    Default implementation::

    Note that this method is called every time a page is rendered for *all*

    submitted steps.

    The default implementation::

        def process_step(self, form):

            return self.get_form_step_data(form)