"expected string or bytes-like object" 是一个在 Python 编程中常见的报错信息,它通常表明某个函数或方法期望接收一个字符串(string)或类似字节(bytes-like)的对象作为参数,但实际上接收到了一个不兼容的对象类型。以下是对该报错信息的详细解释、常见原因及解决方法的分点回答: 1. 报错信息的含义 "expected st...
TypeError: expected string or bytes-like object 请帮我!! 如果您修改了模型中的字段。在那之后你运行 makemigrations 那个时候它会这样问 ^C(api_env)nyros@nyros:~/Desktop/santhi_projects/sample_api/sample_api$ python manage.py makemigrations You are trying to add a non-nullable field 'provider' t...
简介 在进行写爬虫时,出现这个错误:return _compile(pattern, flags).findall(string)TypeError: expected string or bytes-like object 工具/原料 python windows 方法/步骤 1 TypeError:主要是类型错误,re.findall(pattern,page)中的page的格式有问题,需要将page转化为str类型即可 2 如下图所示,在page中添加...
TypeError: expected string or bytes-like object 在写Python代码的时候,遇到了“TypeError: a bytes-like object is required, not 'str'”错误,此处实验机器的Python环境为Python 3.6.6,如下所示 >>> import base64 >>> db_user_encode=base64.b64encode('kerry') Traceback (most recent call last): Fi...
expected string or bytes-like object 期望的字符串或类似字节的对象,一般为数据类型不匹配造成 本人在实际项目里发现的问题是: 数据库里的字段类型与django里models的字段类型不一致,模型里的update_time字段类型设置为DateTimeField类型,但是该字段在实际的数据库中的类型设置了为int,这导致在xadmin中修改数据时,出现...
In Python, different modules and open-source libraries provide various functions that are used to perform multiple operations. Sometimes, while dealing with a function, if the user inputs an integer or string value as an argument, the error “TypeError: expected string or bytes-like object” occ...
I get this error (expected string or bytes-like object, got 'NoneType') when I change from standard nomic-ai/nomic-embed-text-v1 to intfloat/multilingual-e5-base, I'm a I'm an amateur and I don't know what to do, I tried to delete the container and retype the command ...
[GoogleDrive:Folder] Unable to download webpage: HTTP Error 400: Bad Request ERROR: expected string or bytes-like object Traceback (most recent call last): File "yt_dlp\YoutubeDL.py", line 1622, in wrapper File "yt_dlp\YoutubeDL.py", line 1757, in __extract_info File "yt_dlp\...
Integer、Long、String之类)的字段存储,未考虑Map或者POJO对象的存储,因此原始代码如下:
TypeError: a bytes-like object is required, not 'str' 上面错误“类型错误:需要类似字节的对象,而不是字符串”,在Python3中:因为3.x中字符都为unicode编码,函数b64encode的参数的数据类型是bytes类型的字符串对象,而我们给的是str类型的变量,所以必须进行转码,如下所示: ...