this should fix importing?

photon-lib/py/docs/source/conf.py

@@ -1,3 +1,9 @@
+import os
+import sys
+
+# This adds the 'py/' directory to the Python path
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..')))
+
 # Configuration file for the Sphinx documentation builder.
 #
 # For the full list of built-in configuration values, see the documentation: