diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7e849609b7dc58a2615353cc594f3dd1cf743d8e..11cc3049ed15c86b247275f4d2a96fd5590b7070 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,9 +1,10 @@
+default_language_version:
+    python: python3
 repos:
 -   repo: https://github.com/ambv/black
     rev: 21.6b0
     hooks:
     - id: black
-      language_version: python3.6
 -   repo: https://gitlab.com/pycqa/flake8
     rev: 3.9.2
     hooks:
diff --git a/LICENSE.rst b/LICENSE.rst
index fbeca6d09567375f1bd12a6036c7a2b140f5eb2e..5f8b4edff863e691e6c40ffb30facb001bb4d7ea 100644
--- a/LICENSE.rst
+++ b/LICENSE.rst
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020, Daniel Böckenhoff
+Copyright (c) 2021, Daniel Böckenhoff
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/docs/installation.rst b/docs/installation.rst
index 2a14f75398b2e66819a6db0e7152c8e072e56bc7..4fbc5858ba725b89e350ae1e88d6b17149f827cd 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -23,6 +23,7 @@ you through the process.
 .. _Python installation guide: http://docs.python-guide.org/en/latest/starting/installation/
 
 
+
 From sources
 ------------
 
diff --git a/setup.cfg b/setup.cfg
index 1ed960f5b3af8c4835b6ac308ffd5b6cbbbd6437..9f80891fcf43daccfebb91ba4dad295dcd278d74 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -108,6 +108,8 @@ max-line-length = 99
 doctests = True
 exclude = .git, .eggs, __pycache__, docs, dist, venv, .tox
 ignore = E203 W503 W504  # wrong flake defaults: see https://github.com/psf/black/issues/315, https://github.com/psf/black/issues/43
+per-file-ignores =
+    __init__.py: F401
 
 [pylint.]
 ignore = setup.py