[Doc] Try to use imgconverter rather than cairo

docs/requirements.txt

@@ -12,7 +12,7 @@ sphinxcontrib-bibtex<2.0.0
 sphinxcontrib-yt
 
 # Package required to convert svg for pdf builder
-sphinxcontrib-svg2pdfconverter[CairoSVG]
+#sphinxcontrib-svg2pdfconverter[CairoSVG]
 #sphinx-ext-imgconverter
 
 #Work-around bug "AttributeError: 'Values' object has no attribute 'character_level_inline_markup'" with docutils 0.13.1

docs/source/conf.py

@@ -38,14 +38,14 @@ except ImportError:
     have_sphinxcontrib_youtube = False
 
 # Import sphinxcontrib.svg2pdfconverter
-have_sphinxcontrib_svg2pdfconverter = True
-#have_sphinx_ext_imgconverter = True
+#have_sphinxcontrib_svg2pdfconverter = True
+have_sphinx_ext_imgconverter = True
 try:
-    import sphinxcontrib.svg2pdfconverter
-#    import sphinx.ext.imgconverter
+#    import sphinxcontrib.svg2pdfconverter
+    import sphinx.ext.imgconverter
 except ImportError:
-    have_sphinxcontrib_svg2pdfconverter = False
-#    have_sphinx_ext_imgconverter = False
+#    have_sphinxcontrib_svg2pdfconverter = False
+    have_sphinx_ext_imgconverter = False
 
 # -- Project information -----------------------------------------------------
 
@@ -75,8 +75,8 @@ extensions = [
     'sphinxcontrib.bibtex',
     'sphinx.ext.autosectionlabel',
     'sphinxcontrib.yt',
-    'sphinxcontrib.cairosvgconverter',
-#    'sphinx.ext.imgconverter',
+#    'sphinxcontrib.cairosvgconverter',
+    'sphinx.ext.imgconverter',
 ]
 
 # Add any paths that contain templates here, relative to this directory.