Writing then reading in-memory bytes (BytesIO) gives a blank result

Writing then reading in-memory bytes (BytesIO) gives a blank result

python byte gzip bytesio

python

Convert from '_io.BytesIO' to a bytes-like object in python3.6?

python python-3.x typeerror zlib bytesio

python

PIL cannot identify image file for io.BytesIO object

python pillow bytesio

python

Confusing about StringIO, cStringIO and ByteIO

python stringio bytesio cstringio

python

How the write(), read() and getvalue() methods of Python io.BytesIO work?

python bytesio

python

Writing to io.BytesIO in csv fails in python3

python string python-3.x csv bytesio

python

Writing a BytesIO object to a file, 'efficiently'

python io bytesio

python