use a more recent sphinxcontrib-doxylink with python3
doxylink 1.5 is the oldest release which is compatible with python3.
It is not compatible with python2.
@@ -16,7 +16,8 @@ breathe==4.10.0
# For QiDoc Tests
beautifulsoup4==4.6.3
-sphinxcontrib-doxylink==1.3
+sphinxcontrib-doxylink==1.3 ; python_version < "3"
+sphinxcontrib-doxylink==1.5 ; python_version >= "3"
sphinxcontrib-spelling==2.1.1
sphinx-intl==0.9.5
