Only use conda-forge and not defaults for RTD (#296)

afshin · web-flow · commit 88f04d7436f3 · 2022-08-22T12:37:39.000+02:00
h/t: @fcollonval cc: @blink1073
diff --git a/docs/environment.yml b/docs/environment.yml
@@ -1,6 +1,7 @@
 name: jupyterlab_server_documentation
 channels:
   - conda-forge
+  - nodefaults
 dependencies:
   - python=3.9
   - sphinx<4.0
