Fixed RTD build

JohanMabille · JohanMabille · commit 9780b5c65d1b · 2023-10-29T20:16:03.000+01:00
diff --git a/docs/environment.yml b/docs/environment.yml
@@ -1,7 +1,8 @@
 name: xtensor-r-docs
 
 channels:
-  - QuantStack
+  - conda-forge
 
 dependencies:
   - breathe
+  - sphinx_rtd_theme
diff --git a/readthedocs.yml b/readthedocs.yml
@@ -1,2 +1,9 @@
+version: 2
+
+build:
+  os: "ubuntu-22.04"
+  tools:
+    python: "mambaforge-22.9"
+
 conda:
-    file: docs/environment.yml
+  environment: docs/environment.yml
