How to use the distlib.locators.HTML_CONTENT_TYPE.match function in distlib

def get_page(self, url):
        # http://peak.telecommunity.com/DevCenter/EasyInstall#package-index-api
        scheme, netloc, path, _, _, _ = compat.urlparse(url)
        if scheme == 'file' and os.path.isdir(url2pathname(path)):
            url = urljoin(ensure_slash(url), 'index.html')

        # The `retrieve()` method follows any eventual redirects, so the
        # initial url might be different from the final one
        try:
            response, final_url = self.opener.retrieve(url)
        except urllib3.exceptions.MaxRetryError:
            return

        content_type = response.headers.get('content-type', '')
        if locators.HTML_CONTENT_TYPE.match(content_type):
            data = response.data
            encoding = response.headers.get('content-encoding')
            if encoding:
                decoder = self.decoders[encoding]   # fail if not found
                data = decoder(data)
            encoding = 'utf-8'
            m = locators.CHARSET.search(content_type)
            if m:
                encoding = m.group(1)
            try:
                data = data.decode(encoding)
            except UnicodeError:
                data = data.decode('latin-1')    # fallback
            return locators.Page(data, final_url)

def get_page(self, url):
        # http://peak.telecommunity.com/DevCenter/EasyInstall#package-index-api
        scheme, netloc, path, _, _, _ = compat.urlparse(url)
        if scheme == 'file' and os.path.isdir(url2pathname(path)):
            url = compat.urljoin(ensure_slash(url), 'index.html')

        # The `retrieve()` method follows any eventual redirects, so the
        # initial url might be different from the final one
        try:
            response, final_url = http_retrieve(self.opener, url)
        except urllib3.exceptions.MaxRetryError:
            return

        content_type = response.headers.get('content-type', '')
        if locators.HTML_CONTENT_TYPE.match(content_type):
            data = response.data
            encoding = response.headers.get('content-encoding')
            if encoding:
                decoder = self.decoders[encoding]   # fail if not found
                data = decoder(data)
            encoding = 'utf-8'
            m = locators.CHARSET.search(content_type)
            if m:
                encoding = m.group(1)
            try:
                data = data.decode(encoding)
            except UnicodeError:
                data = data.decode('latin-1')    # fallback
            return locators.Page(data, final_url)