Retrieves image URLs from the current page

def _extract_image_urls(self):
        """Retrieves image URLs from the current page"""

        resultsPage = self._chromeDriver.page_source

        resultsPageSoup = BeautifulSoup(resultsPage, 'html.parser')
        images = resultsPageSoup.find_all('div', class_='rg_meta')
        images = [json.loads(image.contents[0]) for image in images]

        [self._imageURLs.append(image['ou']) for image in images]

        self._imageURLsExtractedCount += len(images)