Fix another rtd bug (#456)

* Fix yet another RTD bug causing code-blocks to disappear from html

* Add requirement for newer version of Sphinx

* Add requirement on ipython

* Use python3.6 with rtd-build

* Add extension for ipython-highlighting

* Revert back to python3.5 on rtd-build

* Modify mocked modules

* Modify mocked modules list

* Modify mocked modules list

* Modify mocked modules list

* Modify rtd conf.py

* Bump python version in .readthedocs.yml

* Fix RTD

* Fixing rtd

* Test whether mocking ordering has an effect

* Test if the problem is sklearn.covariance

* Test if the problem is sklearn.utils

* modify mocked modules

* modify mocked modules

* remove sklearn.utils._testing.ignore_warnings

* remove sklearn.utils._testing.ignore_warnings

* Mock abc

* Compile rtd with py38

* Remove unnecessary mocks

* Experiment with mocks

* Experiment with mocks

* Experiment with mocks

* Test mock instead of magicmock

* Remove IPython.sphinxext.ipython_console_highlighting

* Add extension sphinxext.ipython_console_highlighting

* Require ipython!=8.7.0

* Test ipython3 -> python

* Modify .readthedocs.yml

* Modify quickstart.rst code-blocks

* Pin ipython-version in requirements.txt

* Fix a typo

* Modify requirements-dev

* Test code-block instead of code for indicating code blocks

* Revert to old package-versions

* Add nbsphinx into requirements

* Pin docutils version

* Pin docutils version

* Pin pillow==5.4.1

* unpin package versions

* Add nbsphinx in requirements

* Require newer Sphinx

* Update packages

* Update packages

* Update packages

* Pin more versions

* Remove ipython sphinx extension

* Add more mocked packages

* Test code vs code-block logic

* Test code vs code-block logic

* Test code vs code-block logic

* Test code vs code-block logic

* Change requirements.txt

* Hail mary

* Add pandoc in requirements

* Modify quickstart.rst

* Bring back old requirements.txt

* Return to original

* Add docs/requirements.txt file

* Change all .. code:: to .. code-block::

* Remove quickstart.rst

* Revert back to old format

* Remove mocking of elfi

* Remove mocking of elfi

* Pin packages for docs

* Remove pygments_style in conf.py

* add autodoc-setup to conf.py

* Hail mary v0.2

* Discard nbsphinx

* remove import elfi from docs

* remove import elfi from docs

* Use python36

* modify requirements

* Use python36

* Back to basic formulation with nbsphinx

* Remove clutter from requirements.txt

* Fix few bugs

* Modify CHANGELOG

docs/requirements.txt

@@ -24,7 +24,7 @@ ipython==7.16.3
 ipython-genutils==0.2.0
 jedi==0.17.2
 MarkupSafe==2.0.1
-pillow==9.3.0
+pillow==8.4.0
 future==0.18.3
 alabaster==0.7.12
 commonmark==0.8.0