install from pypi instead of github (#23)

keewis · web-flow · commit 226f74796edb · 2020-08-08T00:38:53.000+02:00
diff --git a/docs/requirements.txt b/docs/requirements.txt
@@ -3,4 +3,4 @@ xarray>=0.15.1
 sphinx>=3.0
 sphinx_rtd_theme
 nbsphinx
-git+https://github.com/xarray-contrib/sphinx-autosummary-accessors
+sphinx-autosummary-accessors
