restore hoverxref_domains

Signed-off-by: Christian López Barrón <chris.gfz@gmail.com>

Author: chrizzFTD

docs/source/conf.py

@@ -67,7 +67,7 @@
 
 hoverxref_intersphinx = list(set(intersphinx_mapping) - {'python', 'usd', 'networkx'})  # only works for RTD hosted docs
 hoverxref_intersphinx_types = dict.fromkeys(intersphinx_mapping, hoverxref_default_type)
-
+hoverxref_domains = ['py']
 always_document_param_types = True
 autodoc_member_order = 'groupwise'
 maximum_signature_line_length = 150