sphinx.environment.BuildEnvironment.app is deprecated from Sphinx 9.0.0 #287
Description
When using jupyter-sphinx 0.5.3 with Sphinx 9.0.1 I get the following deprecation warning.
self.builder.build_update()
.tox/unit/lib/python3.11/site-packages/sphinx/builders/__init__.py:377: in build_update
self.build(['__all__'], summary=to_build, method='update')
.tox/unit/lib/python3.11/site-packages/sphinx/builders/__init__.py:408: in build
updated_docnames = set(self.read())
^^^^^^^^^^^
.tox/unit/lib/python3.11/site-packages/sphinx/builders/__init__.py:524: in read
self._read_serial(docnames)
.tox/unit/lib/python3.11/site-packages/sphinx/builders/__init__.py:589: in _read_serial
self.read_doc(docname)
.tox/unit/lib/python3.11/site-packages/sphinx/builders/__init__.py:652: in read_doc
doctree = _parse_str_to_doctree(
.tox/unit/lib/python3.11/site-packages/sphinx/util/docutils.py:894: in _parse_str_to_doctree
transformer.apply_transforms()
.tox/unit/lib/python3.11/site-packages/sphinx/transforms/__init__.py:95: in apply_transforms
super().apply_transforms() # type: ignore[misc]
^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/unit/lib/python3.11/site-packages/docutils/transforms/__init__.py:182: in apply_transforms
transform.apply(**kwargs)
.tox/unit/lib/python3.11/site-packages/pharmpy/reporting/jupyter_sphinx/execute.py:130: in apply
output_dir = Path(output_directory(self.env)) / doc_dir_relpath
^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/unit/lib/python3.11/site-packages/pharmpy/reporting/jupyter_sphinx/utils.py:97: in output_directory
p = (Path(env.app.outdir) / "jupyter_execute").resolve()
^^^^^^^
.tox/unit/lib/python3.11/site-packages/sphinx/environment/__init__.py:299: in app
_deprecation_warning(__name__, 'BuildEnvironment.app', remove=(11, 0))
.tox/unit/lib/python3.11/site-packages/sphinx/deprecation.py:89: in _deprecation_warning
warnings.warn(message, warning_class, stacklevel=3)
E sphinx.deprecation.RemovedInSphinx11Warning: 'sphinx.environment.BuildEnvironment.app' is deprecated. Check CHANGES for Sphinx API modifications.