Merge b83e870 into e7b64c7

.pre-commit-config.yaml

@@ -10,7 +10,7 @@ repos:
     hooks:
     -   id: black
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v3.3.2
+    rev: v3.4.0
     hooks:
       - id: pyupgrade
         args: [ --py36-plus ]

.readthedocs.yaml

@@ -0,0 +1,29 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-20.04
+  tools:
+    python: "3.9"
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+   builder: html
+   configuration: docs/conf.py
+   fail_on_warning: false
+
+# If using Sphinx, optionally build your docs in additional formats such as PDF
+formats:
+   - epub
+   - pdf
+
+# install package via pip
+python:
+   install:
+     - method: pip
+       path: .