--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -32,7 +32,7 @@ except ImportError:
 try:
     import texext
 except ImportError:
-    raise RuntimeError('Need to install "texext" package for doc build')
+    print(RuntimeError('Need to install "texext" package for doc build'))
 
 # Need nibabel installed as well
 try:
@@ -69,7 +69,7 @@ extensions = ['sphinx.ext.autodoc',
               'sphinx.ext.mathjax',
               'sphinx.ext.inheritance_diagram',
               'sphinx.ext.autosummary',
-              'texext.math_dollar',  # has to go before numpydoc
+              #'texext.math_dollar',  # has to go before numpydoc
               'numpydoc',
               'matplotlib.sphinxext.plot_directive',
               ]
