Try to fix RTD

Author: methane

doc/conf.py

@@ -16,7 +16,7 @@
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-sys.path.insert(0, os.path.abspath('..'))
+#sys.path.insert(0, os.path.abspath('..'))
 
 # -- General configuration -----------------------------------------------------