def test_reader__remove_digits(self):
        """Check the remove_digits method. All emails should not contains
        any digit."""

        reader = DSReader(dataset_digits)
        reader.remove_digits()
        for i, row in reader.dataset.iterrows():
            for word in row['email'].split(' '):
                res = any([digit in str(word) for digit in string.digits])
                self.assertEqual(False, res)
# my_dataset = DSReader(my_data_test)

# my_dataset.to_lower()
# my_dataset.remove_digits()
# my_dataset.remove_punctuation_marks()
# my_dataset.remove_duplicates()
# my_dataset.remove_stopwords()
# my_dataset.remove_stopwords()

# print(my_dataset.dataset)

my_dataset1 = DSReader('C:/Users/Masquerade/Downloads/emails.csv')

my_dataset1.to_lower()
my_dataset1.remove_digits()
my_dataset1.remove_punctuation_marks()
my_dataset1.remove_duplicates()
my_dataset1.remove_stopwords()
my_dataset1.remove_stopwords()

# print(my_dataset1.dataset)

list_email, list_label = my_dataset1.vectorize()
print(list_email.shape)
print(list_label.shape)

X, y = list_email, list_label
# X, y = my_dataset1.dataset.email, my_dataset1.dataset.label

X_train, X_test, y_train, y_test = train_test_split(X.values, y.values)