Fix RTD bug

.readthedocs.yaml

@@ -0,0 +1,28 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "mambaforge-22.9"
+  jobs:
+    post_create_environment:
+      - python -m pip install sphinx_rtd_theme
+
+conda:
+  environment: conda_env.yml
+
+python:
+  install:
+    - requirements: docs/requirements.txt
+    - method: setuptools
+      path: .
+
+sphinx:
+   configuration: docs/source/conf.py
+
+