Load the current dotenv as system environemt variable.

def set_as_environment_variables(self, override=False):
        """
        Load the current dotenv as system environemt variable.
        """
        for k, v in self.dict().items():
            if k in os.environ and not override:
                continue
            # With Python2 on Windows, force environment variables to str to avoid
            # "TypeError: environment can only contain strings" in Python's subprocess.py.
            if PY2 and WIN:
                if isinstance(k, text_type) or isinstance(v, text_type):
                    k = k.encode('ascii')
                    v = v.encode('ascii')
            os.environ[k] = v

        return True