chore: auto fixes from pre-commit.com hooks

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

src/pia/__init__.py

@@ -1,4 +1,5 @@
 """PIA - Package Installer for Ansible."""
+
 try:
     from pia._version import version as __version__
 except ImportError:  # pragma: no branch

src/pia/__main__.py

@@ -1,4 +1,5 @@
 """PIA command line."""
+
 from __future__ import annotations
 
 import argparse

src/pia/proc.py

@@ -1,4 +1,5 @@
 """Module to work with processes."""
+
 from __future__ import annotations
 
 import json

test/test_cli.py

@@ -1,4 +1,5 @@
 """Tests for PIA."""
+
 import pytest
 
 from pia.__main__ import main