How to use the nipyapi.registry.configuration.Configuration function in nipyapi

def __deserialize_file(self, response):
        """
        Saves response body into a file in a temporary folder,
        using the filename from the `Content-Disposition` header if provided.

        :param response:  RESTResponse.
        :return: file path.
        """
        config = Configuration()

        fd, path = tempfile.mkstemp(dir=config.temp_folder_path)
        os.close(fd)
        os.remove(path)

        content_disposition = response.getheader("Content-Disposition")
        if content_disposition:
            filename = re.\
                search(r'filename=[\'"]?([^\'"\s]+)[\'"]?', content_disposition).\
                group(1)
            path = os.path.join(os.path.dirname(path), filename)

        with open(path, "w") as f:
            f.write(response.data)

        return path

def __init__(self, api_client=None):
        config = Configuration()
        if api_client:
            self.api_client = api_client
        else:
            if not config.api_client:
                config.api_client = ApiClient()
            self.api_client = config.api_client

def __init__(self, api_client=None):
        config = Configuration()
        if api_client:
            self.api_client = api_client
        else:
            if not config.api_client:
                config.api_client = ApiClient()
            self.api_client = config.api_client

def __init__(self, host=None, header_name=None, header_value=None, cookie=None):
        """
        Constructor of the class.
        """
        self.rest_client = RESTClientObject()
        self.default_headers = {}
        if header_name is not None:
            self.default_headers[header_name] = header_value
        if host is None:
            self.host = Configuration().host
        else:
            self.host = host
        self.cookie = cookie
        # Set default User-Agent.
        self.user_agent = 'Swagger-Codegen/1.0.0/python'

ca_certs = Configuration().ssl_ca_cert
        else:
            # if not set certificate file, use Mozilla's root certificates.
            ca_certs = certifi.where()

        # cert_file
        cert_file = Configuration().cert_file

        # key file
        key_file = Configuration().key_file

        # ssl_context
        ssl_context = Configuration().ssl_context

        # proxy
        proxy = Configuration().proxy

        # https pool manager
        if proxy:
            self.pool_manager = urllib3.ProxyManager(
                num_pools=pools_size,
                maxsize=maxsize,
                cert_reqs=cert_reqs,
                ca_certs=ca_certs,
                cert_file=cert_file,
                key_file=key_file,
                ssl_context=ssl_context,
                proxy_url=proxy
            )
        else:
            self.pool_manager = urllib3.PoolManager(
                num_pools=pools_size,

def __init__(self, api_client=None):
        config = Configuration()
        if api_client:
            self.api_client = api_client
        else:
            if not config.api_client:
                config.api_client = ApiClient()
            self.api_client = config.api_client

def __init__(self, api_client=None):
        config = Configuration()
        if api_client:
            self.api_client = api_client
        else:
            if not config.api_client:
                config.api_client = ApiClient()
            self.api_client = config.api_client

def __init__(self, api_client=None):
        config = Configuration()
        if api_client:
            self.api_client = api_client
        else:
            if not config.api_client:
                config.api_client = ApiClient()
            self.api_client = config.api_client

def __init__(self, pools_size=4, maxsize=4):
        # urllib3.PoolManager will pass all kw parameters to connectionpool
        # https://github.com/shazow/urllib3/blob/f9409436f83aeb79fbaf090181cd81b784f1b8ce/urllib3/poolmanager.py#L75
        # https://github.com/shazow/urllib3/blob/f9409436f83aeb79fbaf090181cd81b784f1b8ce/urllib3/connectionpool.py#L680
        # maxsize is the number of requests to host that are allowed in parallel
        # ca_certs vs cert_file vs key_file
        # http://stackoverflow.com/a/23957365/2985775

        # cert_reqs
        if Configuration().verify_ssl:
            cert_reqs = ssl.CERT_REQUIRED
        else:
            cert_reqs = ssl.CERT_NONE

        # ca_certs
        if Configuration().ssl_ca_cert:
            ca_certs = Configuration().ssl_ca_cert
        else:
            # if not set certificate file, use Mozilla's root certificates.
            ca_certs = certifi.where()

        # cert_file
        cert_file = Configuration().cert_file

        # key file
        key_file = Configuration().key_file

# ca_certs
        if Configuration().ssl_ca_cert:
            ca_certs = Configuration().ssl_ca_cert
        else:
            # if not set certificate file, use Mozilla's root certificates.
            ca_certs = certifi.where()

        # cert_file
        cert_file = Configuration().cert_file

        # key file
        key_file = Configuration().key_file

        # ssl_context
        ssl_context = Configuration().ssl_context

        # proxy
        proxy = Configuration().proxy

        # https pool manager
        if proxy:
            self.pool_manager = urllib3.ProxyManager(
                num_pools=pools_size,
                maxsize=maxsize,
                cert_reqs=cert_reqs,
                ca_certs=ca_certs,
                cert_file=cert_file,
                key_file=key_file,
                ssl_context=ssl_context,
                proxy_url=proxy
            )