fixed lint warnings

pipreqs/pipreqs.py

@@ -192,7 +192,6 @@ def init(args):
     path = (args["--savepath"] if args["--savepath"] else
             os.path.join(args['<path>'], "requirements.txt"))
 
-
     if not args["--savepath"] and not args["--force"] and os.path.exists(path):
         logging.warning("Requirements.txt already exists, "
                         "use --force to overwrite it")

tests/test_pipreqs.py

@@ -105,12 +105,10 @@ class TestPipreqs(unittest.TestCase):
         self.assertEqual(
             import_name_without_aliases, expected_import_name_without_alias)
 
-
     def test_custom_pypi_server(self):
         self.assertRaises(requests.exceptions.MissingSchema, pipreqs.init, {'<path>': self.project, '--savepath': None,
                           '--use-local': None, '--force': True, '--proxy': None, '--pypi-server': 'nonexistent'})
 
-
     def tearDown(self):
         try:
             os.remove(self.requirements_path)