Support Python 3,7 and 3.6 again.

Support was mistakenly removed in the metadata.

Author: domdfcoding

pyproject.toml

@@ -7,8 +7,9 @@ name = "pyproject-examples"
 version = "2022.5.18"
 description = "Example pyproject.toml configs for testing."
 readme = "README.rst"
+requires-python = ">=3.6"
 keywords = []
-dynamic = [ "requires-python", "classifiers", "dependencies",]
+dynamic = [ "classifiers", "dependencies",]
 
 [[project.authors]]
 name = "Dominic Davis-Foster"

repo_helper.yml

@@ -15,3 +15,4 @@ enable_docs: false
 enable_tests: false
 use_whey: true
 pre_commit_exclude: "^README.rst$"
+requires_python: "3.6"

tox.ini

@@ -122,7 +122,7 @@ inline-quotes = "
 multiline-quotes = """
 docstring-quotes = """
 count = True
-min_python_version = 3.8
+min_python_version = 3.6
 unused-arguments-ignore-abstract-functions = True
 unused-arguments-ignore-overload-functions = True
 unused-arguments-ignore-magic-methods = True