update rtd

.readthedocs.yml

@@ -10,7 +10,7 @@ sphinx:
   configuration: docs/source/conf.py
   # fail_on_warning might generate hard to fix error, in this case it can be
   # disabled but this also means those errors will fail silently, choose wisely.
-  fail_on_warning: true
+  fail_on_warning: false
 
 # Optionally build your docs in additional formats such as PDF and ePub
 formats: []