关于#fp#的问题，如何解决，一直报错

if name == 'main':

url='https://fanyi.baidu.com/'
date={
'kw':'dog'
}
heards={
'User - Agent' : 'Mozilla / 5.0(Windows NT 10.0;Win64;x64) AppleWebKit / 537.36(KHTML, likeGecko) Chrome / 103.0.5060.53Safari / 537.36Edg / 103.0.1264.37'
}
get_name=requests.post(url=url,headers=heards)
stear=get_name.text
with open('./baidu_fanyi.json','a',encoding='gbk')as fp:
fp.write(stear）