python - StringIO in Python3

Question

I am using Python 3.2.1 and I can't import the StringIO module. I use io.StringIO and it works, but I can't use it with numpy's genfromtxt like this:

x="1 3
 4.5 8"        
numpy.genfromtxt(io.StringIO(x))

I get the following error:

TypeError: Can't convert 'bytes' object to str implicitly  

and when I write import StringIO it says

ImportError: No module named 'StringIO'

Answer 1

when i write import StringIO it says there is no such module.

From What’s New In Python 3.0:

The StringIO and cStringIO modules are gone. Instead, import the io module and use io.StringIO or io.BytesIO for text and data respectively.

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A possibly useful method of fixing some Python 2 code to also work in Python 3 (caveat emptor):

try:
    from StringIO import StringIO ## for Python 2
except ImportError:
    from io import StringIO ## for Python 3

Note: This example may be tangential to the main issue of the question and is included only as something to consider when generically addressing the missing StringIO module. For a more direct solution the message TypeError: Can't convert 'bytes' object to str implicitly, see this answer.