global: fix PEP-8 formatting

This patch was generated by running `autopep8 --diff` on the
source tree and then applying the diff.

test/mod/test_util_lorax.py

@@ -35,7 +35,6 @@ class TestUtilLorax(test.TestBase):
             if not os.path.exists(target):
                 self.fail(f"Path {target} does not exists")
 
-
     def test_script(self):
         with tempfile.TemporaryDirectory(dir="/var/tmp") as tmp:
             root = os.path.join(tmp, "root")
@@ -81,7 +80,6 @@ class TestUtilLorax(test.TestBase):
                     data = f.read().strip()
                     self.assertEqual(data, "osbuild-42")
 
-
     def test_script_errors(self):
         with tempfile.TemporaryDirectory(dir="/var/tmp") as tmp:
             root = os.path.join(tmp, "root")