use sphinx.ext.imgmath instead of deprecated sphinx.ext.pngmath
@@ -62,7 +62,7 @@ import cookiecutter
# Add any Sphinx extension module names here, as strings. They can be extensions
# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
extensions = ['sphinx.ext.autodoc', 'sphinx.ext.doctest', 'sphinx.ext.intersphinx',
- 'sphinx.ext.todo', 'sphinx.ext.coverage', 'sphinx.ext.pngmath',
+ 'sphinx.ext.todo', 'sphinx.ext.coverage', 'sphinx.ext.imgmath',
'sphinx.ext.ifconfig', 'sphinx.ext.viewcode', 'docs.ccext']
# Add any paths that contain templates here, relative to this directory.
