Chapter-2 error while getting the Housing datasets

I am very new to python

Can someboody help me in debugging the below.

I am getting this while getting the Housing datasets

**req = meth(req)

File "C:\Users\HP\Anaconda3\envs\tf1\lib\urllib\request.py", line 1249, in do_request_
raise TypeError(msg)

TypeError: POST data should be bytes, an iterable of bytes, or a file object. It cannot be of type str.**

python version : 3.7.6