Use newer Sphinx also with tox and Read the Docs

Cito · Cito · commit a071e1937167 · 2020-08-30T01:21:41.000+02:00
diff --git a/docs/requirements.txt b/docs/requirements.txt
@@ -1,2 +1,2 @@
-sphinx>=2.2,<3
-sphinx_rtd_theme>=0.4
+sphinx>=3.2,<4
+sphinx_rtd_theme>=0.5,<1
diff --git a/tox.ini b/tox.ini
@@ -23,8 +23,8 @@ commands =
 [testenv:docs]
 basepython = python3.8
 deps =
-    sphinx>=2.4,<3
-    sphinx_rtd_theme>=0.4,<1
+    sphinx>=3.2,<4
+    sphinx_rtd_theme>=0.5,<1
 commands =
     sphinx-build -b html -nEW docs docs/_build/html
 
