pycodestyle fixes

routersploit/test/test_completer.py

@@ -255,5 +255,6 @@ class RoutersploitCompleterTest(RoutersploitTestCase):
             'show options'
         )
 
+
 if __name__ == '__main__':
     unittest.main()

routersploit/test/test_interpreter.py

@@ -621,5 +621,6 @@ class RoutersploitInterpreterTest(RoutersploitTestCase):
             ]
         )
 
+
 if __name__ == '__main__':
     unittest.main()

routersploit/test/test_utils.py

@@ -52,5 +52,6 @@ class UtilsTest(RoutersploitTestCase):
             ]
         )
 
+
 if __name__ == '__main__':
     unittest.main()

routersploit/test/test_validators.py

@@ -136,5 +136,6 @@ class ValidatorsTest(RoutersploitTestCase):
         value = "t"
         self.assertEqual(validators.boolify(value), True)
 
+
 if __name__ == '__main__':
     unittest.main()