update the supported versions of sphinx (#40)

* start testing `sphinx=4.0`

* drop support for `sphinx=3.2`

* require sphinx>=3.3

* update the linter configuration

* update whats-new.rst

* convert the versions to string

Author: keewis

.github/workflows/ci.yaml

@@ -13,8 +13,8 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9]
-        sphinx-version: [3.2, 3.3, 3.4, 3.5]
+        python-version: ['3.7', '3.8', '3.9']
+        sphinx-version: ['3.3', '3.4', '3.5', '4.0']
 
     steps:
       - name: checkout the repository

docs/whats-new.rst

@@ -5,6 +5,7 @@ v0.3 (*unreleased*)
 -------------------
 - don't fail on options which are not parameters to the render function (:pull:`38`)
 - drop support for python 3.6 (:pull:`39`)
+- drop support for ``sphinx=3.2`` and start testing ``sphinx=4.0`` (:pull:`40`)
 
 v0.2 (2021-03-06)
 -----------------

setup.cfg

@@ -14,32 +14,26 @@ project_urls =
 packages = find:
 python_requires = >=3.7
 install_requires =
-    sphinx>=3.2
+    sphinx>=3.3
     importlib-metadata; python_version < "3.8"
 
 [options.package_data]
 sphinx_autosummary_accessors = templates/autosummary/*.rst
 
 [flake8]
 ignore =
-    # whitespace before ':' - doesn't work well with black
-    E203
-    E402
-    # line too long - let black worry about that
-    E501
-    # do not assign a lambda expression, use a def
-    E731
-    # line break before binary operator
-    W503
+    E203 # whitespace before ':' - doesn't work well with black
+    E402 # module level import not at top of file
+    E501 # line too long - let black worry about that
+    E731 # do not assign a lambda expression, use a def
+    W503 # line break before binary operator
 exclude=
     .eggs
     docs
 
 [isort]
+profile = black
+skip_gitignore = true
+force_to_top = true
 default_section = THIRDPARTY
 known_first_party = sphinx_autosummary_accessors
-multi_line_output = 3
-include_trailing_comma = True
-force_grid_wrap = 0
-use_parentheses = True
-line_length = 88