.. blogpost:: :title: Generate the documentation on Anaconda :keywords: documentation, Anaconda :date: 2016-08-27 :categories: documentation On Anaconda, the documentation generation fails for two reasons. The first one is the current version of *Sphinx* *(1.4.1)* and *pyquickhelper* requires *>= 1.4.5*. After fixing it with *pip*, the following exception happens (only on Anaconda) on a virtual environment: :: File ".....\pyquickhelper_UT_35_conda\_venv\lib\site-packages\sphinx\ext\imgmath.py", line 244, in html_visit_displaymath self.builder.config.math_number_all) File ".....\pyquickhelper_UT_35_conda\_venv\lib\site-packages\sphinx\config.py", line 368, in __getattr__ raise AttributeError('No such config value: %s' % name) AttributeError: No such config value: math_number_all This variable ``math_number_all`` is set up but the error still happens. In that case, you can just fix the original file ``site-packages\sphinx\ext\imgmath.py``: :: v = self.builder.config.math_number_all if hasattr(self.builder.config, 'math_number_all') else False latex = wrap_displaymath(node['latex'], None, v)