在Python编程中,遇到“expected type 'str', got 'bytes' instead”这类错误通常意味着函数或方法期望接收一个字符串(str)类型的参数,但实际上接收到了一个字节串(bytes)类型的参数。这种类型不匹配会导致程序抛出TypeError异常。 解决方法 确保参数类型正确: 检查调用函数或方法的参数,确保它们符合预期的字符串类型...
Python3中执行 datas = urllib.parse.unquote(datas).decode("utf-8", 'ignore') 这个的时候出现了TypeError: Expected str, got bytes这个应该怎么处理,具体点 python3 urllib decode utf 在Python3中,urllib.parse.unquote()函数返回的是一个字符串类型,因此需要确保传入的参数也是字符串类型而不是字节类型。根...
用pycurl请求指定链接并返回结果时出现 TypeError: string argument expected, got 'bytes' 错误 经过排查问题出现在使用StringIO的write方法上,用BytesIO替代StringIO即可解决问题,代码如下:
数据帧连接中出现错误'Expected tuple,got str‘ 如何修复Python 3.7中的"integer argument expected,got“错误 valueerror: expected more than 1 value per channel when training, got input 嵌套表格并尝试table.remove时出现"table expected,got“ Troubelshooting提升TypeError("quote_from_bytes() expected“) ...
python3 PIL提示TypeError: string argument expected, got 'bytes',用BytesIO替代StringIO即可解决问题fromioimportBytesIOout=BytesIO()image.save(out,format='JPEG')
File "pycocotools/_mask.pyx", line 122, in pycocotools._mask._frString (pycocotools/_mask.c:2605) TypeError: Expected bytes, got str who know the reason? thanks w121211commentedMay 22, 2019• edited
When I try to create a PDF, I get the error "string argument expected, got 'bytes". I am using the djangoproject demo on Python 3.5 and am running the pre of xhtml2pdf as instructed in the readme. The error happens when the following line is reached, which is line 35 pdf = pisa...
TypeError: unicode argument expected, got 'str' 今天在做mock模块中的patch()方法只在运行测试的上下文中才替换对象时,使用了io.StringIO结果出现报错: 经确认是字符集的问题,考虑使用io.BytesIO解决了此问题 具体代码如下: # -*- coding:utf-8 -*-## from io import StringIOfromioimportBytesIOfrom...
The Python "TypeError: expected str, bytes or os.PathLike object, not NoneType" occurs when we try to open a file but provide a None... Read more > expected str, bytes or os.PathLike object, not NoneType - CDO I have this error : TypeError: expected str, bytes ...
TypeError: string argument expected, got 'bytes' the python3.6 pillow treat raw code as bytes, but barcode treat as string, so it raise error? another issue is how can i create a barcode only show graph without number under the graph??