add pip isntall .

.readthedocs.yaml

@@ -5,7 +5,6 @@
 # Required
 version: 2
 
-
 conda:
   environment: docs/source/environment.yaml
 
@@ -16,13 +15,14 @@ build:
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
-   configuration: docs/source/conf.py
+  configuration: docs/source/conf.py
 
 # If using Sphinx, optionally build your docs in additional formats such as PDF
 # formats:
 #    - pdf
 
 # # Optionally declare the Python requirements required to build your docs
-# python:
-#    install:
-#    - requirements: docs/requirements.txt
+python:
+  install:
+    - method: pip
+      path: .