![Make io.TextIOWrapper/open support custom line terminators/record separators - Ideas - Discussions on Python.org Make io.TextIOWrapper/open support custom line terminators/record separators - Ideas - Discussions on Python.org](https://global.discourse-cdn.com/business6/uploads/python1/original/3X/d/e/de30f57c2f7bed7ee698573efcc3a838015c875a.png)
Make io.TextIOWrapper/open support custom line terminators/record separators - Ideas - Discussions on Python.org
![python 3.x - TypeError: cannot serialize '_io.TextIOWrapper' object-------maybe multiprocessing's problems - Stack Overflow python 3.x - TypeError: cannot serialize '_io.TextIOWrapper' object-------maybe multiprocessing's problems - Stack Overflow](https://i.stack.imgur.com/ha5RX.png)
python 3.x - TypeError: cannot serialize '_io.TextIOWrapper' object-------maybe multiprocessing's problems - Stack Overflow
![python 3.x - TypeError: cannot serialize '_io.TextIOWrapper' object-------maybe multiprocessing's problems - Stack Overflow python 3.x - TypeError: cannot serialize '_io.TextIOWrapper' object-------maybe multiprocessing's problems - Stack Overflow](https://i.stack.imgur.com/1iuDE.png)
python 3.x - TypeError: cannot serialize '_io.TextIOWrapper' object-------maybe multiprocessing's problems - Stack Overflow
![提示:<_io.TextIOWrapper name='<stderr>' mode='w' encoding='utf-8'>_<_io. textiowrapper name='<stderr>' mode='w' encodi-CSDN博客 提示:<_io.TextIOWrapper name='<stderr>' mode='w' encoding='utf-8'>_<_io. textiowrapper name='<stderr>' mode='w' encodi-CSDN博客](https://img-blog.csdnimg.cn/dbd014ed5fc54c9ab7bb7a99910be94d.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBA5bCP5qGC5a2Q5Y-q5oOz5pG46bG8,size_20,color_FFFFFF,t_70,g_se,x_16)
提示:<_io.TextIOWrapper name='<stderr>' mode='w' encoding='utf-8'>_<_io. textiowrapper name='<stderr>' mode='w' encodi-CSDN博客
ResourceWarning: unclosed file io.TextIOWrapper name='activate_this.py' · Issue #1452 · pypa/virtualenv · GitHub
![multiprocessing - Python proccess pool executor and named tuple leads to unit test error -> "cannot pickle '_io.TextIOWrapper' object" - Stack Overflow multiprocessing - Python proccess pool executor and named tuple leads to unit test error -> "cannot pickle '_io.TextIOWrapper' object" - Stack Overflow](https://i.stack.imgur.com/lB7vT.png)