Update for file header, docstrings, and PEP8/PEP257

tests/util/test_package.py

@@ -1,4 +1,7 @@
 """
+tests.util.test_packages
+~~~~~~~~~~~~~~~~~~~~~~~~
+
 Tests Home Assistant package util methods.
 """
 import os
@@ -18,26 +21,26 @@ TEST_ZIP_REQ = 'file://{}#{}' \
 
 
 class TestPackageUtil(unittest.TestCase):
-    """ Tests for homeassistant.util.package module """
+    """ Tests for homeassistant.util.package module. """
 
     def setUp(self):
-        """ Create local library for testing """
+        """ Create local library for testing. """
         self.tmp_dir = tempfile.TemporaryDirectory()
         self.lib_dir = os.path.join(self.tmp_dir.name, 'lib')
 
     def tearDown(self):
-        """ Remove local library """
+        """ Remove local library. """
         self.tmp_dir.cleanup()
 
     def test_install_existing_package(self):
-        """ Test an install attempt on an existing package """
+        """ Test an install attempt on an existing package. """
         self.assertTrue(package.check_package_exists(
             TEST_EXIST_REQ, self.lib_dir))
 
         self.assertTrue(package.install_package(TEST_EXIST_REQ))
 
     def test_install_package_zip(self):
-        """ Test an install attempt from a zip path """
+        """ Test an install attempt from a zip path. """
         self.assertFalse(package.check_package_exists(
             TEST_ZIP_REQ, self.lib_dir))
         self.assertFalse(package.check_package_exists(