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

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

Author: pre-commit-ci[bot]

mdit_py_plugins/subscript/__init__.py

@@ -16,6 +16,7 @@
 from markdown_it.rules_inline import StateInline
 from markdown_it.token import Token
 from markdown_it.utils import EnvType, OptionsDict
+
 from mdit_py_plugins.utils import UNESCAPE_RE, WHITESPACE_RE
 
 __all__ = ["sub_plugin"]

mdit_py_plugins/superscript/index.py

@@ -30,6 +30,7 @@
 
 from markdown_it import MarkdownIt
 from markdown_it.rules_inline import StateInline
+
 from mdit_py_plugins.utils import UNESCAPE_RE, WHITESPACE_RE