DOC: Try with Sphinx 3

effigies · effigies · commit a9b9a962129d · 2020-06-03T12:44:46.000-04:00
diff --git a/setup.cfg b/setup.cfg
@@ -54,7 +54,7 @@ doc =
     packaging
     pydot >= 1.2.3
     pydotplus
-    sphinx >= 1.5.3, < 3
+    sphinx >= 1.5.3
     sphinx-argparse
     sphinx_rtd_theme
     sphinxcontrib-napoleon
