update readthedocs.yml (#3639)

keewis · dcherian · commit 471a5d6ce3eb · 2019-12-17T23:22:16.000Z
diff --git a/readthedocs.yml b/readthedocs.yml
@@ -1,8 +1,13 @@
+version: 2
+
 build:
     image: latest
+
 conda:
-    file: ci/requirements/doc.yml
+    environment: ci/requirements/doc.yml
+
 python:
     version: 3.7
-    setup_py_install: false
+    install: []
+
 formats: []
