unpin sphinx (pydata#4931)

keewis · web-flow · commit c4ad6f1caa40 · 2021-02-19T17:07:25.000-07:00
diff --git a/ci/requirements/doc.yml b/ci/requirements/doc.yml
@@ -24,7 +24,7 @@ dependencies:
   - seaborn
   - setuptools
   - sparse
-  - sphinx=3.3
+  - sphinx>=3.3
   - sphinx_rtd_theme>=0.4
   - sphinx-autosummary-accessors
   - zarr>=2.4
