add pip to doc env

Joseph Hamman · Joseph Hamman · commit 613f72d0e0ab · 2021-07-29T10:00:03.000-07:00
diff --git a/doc/environment.yml b/doc/environment.yml
@@ -16,3 +16,4 @@ dependencies:
   - sphinx-autosummary-accessors
   - sphinx-copybutton
   - xarray
+  - pip
