img = driver.find_element_by_xpath("//img[@alt="Google"]")
img_base64 = browser.execute_script("""
var ele = arguments[0];
var cnv = document.createElement('canvas');
cnv.width = ele.width; cnv.height = ele.height;
cnv.getContext('2d').drawImage(ele, 0, 0);
return cnv.toDataURL('image/jpeg').substring(22);
""", browser.find_element_by_xpath("//your_xpath"))
with open(r"save.jpg", 'wb') as f:
f.write(base64.b64decode(img_base64))


