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

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

src/uproot_browser/__init__.py

@@ -2,6 +2,7 @@
 This is uproot-browser. There is no user accessible API; only a terminal
 interface is provided currently.
 """
+
 from __future__ import annotations
 
 from ._version import version as __version__

src/uproot_browser/dirs.py

@@ -2,6 +2,7 @@
 This holds common functions for accessing a file, ROOT directories, and trees
 split by colons.
 """
+
 from __future__ import annotations
 
 from typing import Any, Iterable

src/uproot_browser/exceptions.py

@@ -1,6 +1,5 @@
 """Custom exceptions for uproot-browser"""
 
-
 from __future__ import annotations