linting: E302 expected 2 blank lines, found 1

Signed-off-by: bcambl <blayne@blaynecampbell.com>

test/test_centos_fedora_support.py

@@ -7,6 +7,7 @@ from conftest import (
     mock_command_2,
 )
 
+
 def mock_selinux_config(state, Pihole):
     '''
     Creates a mock SELinux config file with expected content