Conform to black defaults

Signed-off-by: Ivan Kanakarakis <ivan.kanak@gmail.com>

Author: c00kiemon5ter

setup.cfg

@@ -86,8 +86,8 @@ author-attribute = forbidden
 no-accept-encodings = True
 assertive-snakecase = True
 # assertive-test-pattern = <fnmatch>
-inline-quotes = '
-multiline-quotes = '''
+inline-quotes = "
+multiline-quotes = """
 docstring-quotes = """
 application-import-names = saml2