bug fix issue #1675

[NtAlexio2]

This PR fixes issue reported on #1675. The patch decodes bytes returned from getData() by default sys.stdout encoding. The root cause of the bug is drop Python2 supporting.

[alexisbalbachan]

Hi, the proposed solution will break on certain scenarios:

• self.getData() can return a bytes object which may not be a valid unicode string for the selected encoding
• Here's a specific example:
  • stdout.encoding => 'utf-8'
  • self.getData() => b'\xc3'
  • b'\xc3'.decode('utf-8') throws an exception: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc3 in position 0: unexpected end of data

I think that a better approach would be to represent that buffer in an encoding agnostic way, maybe by using binascii.hexlify(self.getData())

[NtAlexio2]

Thanks for your review. I applied your suggestion. Please recheck <3