def _create_model_directory(self):
    ' Create the directory for storing the model\n        :return: self\n        '
    if (not os.path.isdir(self.main_dir)):
        print('Created dir: ', self.main_dir)
        os.mkdir(self.main_dir)
Create the directory for storing the model
:return: self
def _create_model_directory(self):
    ' Create the directory for storing the model\n        :return: self\n        '
    if (not os.path.isdir(self.main_dir)):
        print('Created dir: ', self.main_dir)
        os.mkdir(self.main_dir)