url: move the _generic_proxytunnel in the `has_https` block
It is only used when https exists. If you stay out of the block, pytype
complains that the type of its argument are not declared.
[build-system]
requires = ["setuptools", "wheel"]
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true