解决报错TypeError：unsupported operand type(s) for +: ‘NoneType‘ and ‘str‘

TypeError: unsupported operand type(s) for *: ‘float‘ and ‘NoneType‘

Python, unsupported operand type(s) for *: ‘int‘ and ‘NoneType‘

已解决typeerror: unsupported operand

TypeError: can only concatenate str (not “int“) to str

Python TypeError: ‘str‘ object is not callable

TypeError: ‘str‘ object does not support item assignment

Python错误TypeError: write() argument must be str, not bytes

在python中遇到TypeError: can only concatenate str (not “int“) to str的解决方法

scrapy+mongodb报错 TypeError: name must be an instance of str