[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

setup.cfg

@@ -7,7 +7,6 @@ url = https://github.com/sphinx-contrib/email
 author = Christian Knittl-Frank
 author_email = [email protected]
 license = BSD-3-Clause
-license_file = LICENSE
 license_files = LICENSE
 classifiers =
     Development Status :: 3 - Alpha
@@ -31,7 +30,7 @@ packages = find_namespace:
 install_requires =
     Sphinx>=1.8
     lxml>=4.5.2
-python_requires = >=3.7
+python_requires = >=3.8
 include_package_data = True
 package_dir =
     = src