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

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

integration-tests/plugins/simplest/tljh_simplest.py

@@ -1,6 +1,7 @@
 """
 Simplest plugin that exercises all the hooks defined in tljh/hooks.py.
 """
+
 from tljh.hooks import hookimpl
 
 

integration-tests/test_bootstrap.py

@@ -9,6 +9,7 @@ FIXME: The last test stands out and could be part of the other tests, and the
        first two could be more like unit tests. Ideally, this file is
        significantly reduced.
 """
+
 import concurrent.futures
 import os
 import subprocess

integration-tests/test_proxy.py

@@ -1,4 +1,5 @@
 """tests for the proxy"""
+
 import os
 import shutil
 import ssl

integration-tests/test_simplest_plugin.py

@@ -2,6 +2,7 @@
 Test the plugin in integration-tests/plugins/simplest that makes use of all tljh
 recognized plugin hooks that are defined in tljh/hooks.py.
 """
+
 import os
 import subprocess