flake8: Reenable flake8-copyright and flake8-future-import

Partial revert of faf04f3791

misc/requirements/requirements-flake8.txt

@@ -1,13 +1,15 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
 attrs==22.1.0
-flake8==5.0.1
+flake8==5.0.3
 flake8-bugbear==22.7.1
 flake8-builtins==1.5.3
 flake8-comprehensions==3.10.0
+flake8-copyright==0.2.3
 flake8-debugger==4.1.2
 flake8-deprecated==1.3
 flake8-docstrings==1.6.0
+flake8-future-import==0.4.7
 flake8-plugin-utils==1.3.2
 flake8-pytest-style==1.6.0
 flake8-string-format==0.3.0

misc/requirements/requirements-flake8.txt-raw

@@ -5,9 +5,9 @@ flake8-comprehensions
 flake8-debugger
 flake8-deprecated
 flake8-docstrings
-# https://github.com/PyCQA/flake8/issues/325
-# flake8-copyright
-# flake8-future-import
+flake8-copyright
+flake8-future-import
+# https://github.com/aleGpereira/flake8-mock/issues/10
 # flake8-mock
 flake8-string-format
 flake8-tidy-imports

scripts/dev/ua_fetch.py

@@ -1,6 +1,23 @@
 #!/usr/bin/env python3
 # vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
 
+# Copyright 2015-2021 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <https://www.gnu.org/licenses/>.
+
 """Fetch and print the most common user agents.
 
 This script fetches the most common user agents according to