added pycodestyle conformance

import glob

import unittest

import pycodestyle

class TestCodeFormat(unittest.TestCase):

    def test_codestyle_conformance(self):

        """Test that we conform to PEP-8."""

        style = pycodestyle.StyleGuide(

            quiet=True, ignore=["E121", "E123", "E126", "E226", "E24", "E704", "W503", "W504", "E501"])

        result = style.check_files(glob.glob("./**/*.py"))

        print("================ pycodestyle statistics ================")

        if result.total_errors == 0:

            print("Your code style is GREAT!")

        else:

            for line in result.get_statistics():

                print(line)

            print("*** Please use the command below to check code yourself!!! ***")

            print("pycodestyle ./**/*.py --ignore=E121,E123,E126,E226,E24,E704,W503,W504,E501")

        print("========================================================")

        self.assertEqual(result.total_errors, 0, "Found code style errors (and warnings).")