Index: .readthedocs.yml
===================================================================
diff -u -r6897e53d880a040adeb8722d5edc04789cad6d89 -r45d174b6acae202f94fa31d7d1529f71de9ef403
--- .readthedocs.yml	(.../.readthedocs.yml)	(revision 6897e53d880a040adeb8722d5edc04789cad6d89)
+++ .readthedocs.yml	(.../.readthedocs.yml)	(revision 45d174b6acae202f94fa31d7d1529f71de9ef403)
@@ -1,8 +1,10 @@
 # https://docs.readthedocs.io/en/latest/yaml-config.html
 build:
     image: latest
-python:
-    version: 3.6
-    pip_install: true
-    extra_requirements:
-        - docs
+# python:
+#     version: 3.6
+#     pip_install: true
+#     extra_requirements:
+#         - docs
+conda:
+    file: environment.yml
Index: environment.yml
===================================================================
diff -u -r9e5efca86f122d7b4842f98e8aa2a3f6b35fbc76 -r45d174b6acae202f94fa31d7d1529f71de9ef403
--- environment.yml	(.../environment.yml)	(revision 9e5efca86f122d7b4842f98e8aa2a3f6b35fbc76)
+++ environment.yml	(.../environment.yml)	(revision 45d174b6acae202f94fa31d7d1529f71de9ef403)
@@ -19,6 +19,8 @@
   - setuptools>=38
   - pip>=9.0.3
   - python-dateutil>=2.7
+  - shpinx
+  - sphinx_rtd_theme
   - pip:
     - bmi-python
     - wflow