follow standard formatting for python tests

molecule/default/tests/test_default.py

@@ -1,5 +1,6 @@
 """Role testing files using testinfra."""
 
+
 def test_hosts_file(host):
     """Validate /etc/hosts file."""
     etc_hosts = host.file("/etc/hosts")

molecule/with_custom_repo/tests/conftest.py

@@ -1,8 +1,11 @@
 """PyTest Fixtures."""
 from __future__ import absolute_import
+
 import os
+
 import pytest
 
+
 def pytest_runtest_setup(item):
     """Run tests only when under molecule with testinfra installed."""
     try:

molecule/with_custom_repo/tests/test_default.py

@@ -1,5 +1,6 @@
 """Role testing files using testinfra."""
 
+
 def test_hosts_file(host):
     """Validate /etc/hosts file."""
     etc_hosts = host.file("/etc/hosts")