Traceback (most recent call last):
  File "...\lib\site-packages\roxapi\melding\exchange_factory.py", line 31, in create_exchange
    logger.info(sys.stderr)
  File "...\lib\logging\__init__.py", line 1049, in info
    self._log(INFO, msg, args, **kwargs)
  File "...\lib\logging\__init__.py", line 1167, in _log
    self.handle(record)
  File "...\lib\logging\__init__.py", line 1177, in handle
    self.callHandlers(record)
  File "...\lib\logging\__init__.py", line 1217, in callHandlers
    hdlr.handle(record)
  File "...\lib\logging\__init__.py", line 675, in handle
    self.emit(record)
  File "...\lib\logging\__init__.py", line 798, in emit
    self.handleError(record)
  File "...\lib\logging\__init__.py", line 727, in handleError
    traceback.print_exception(ei[0], ei[1], ei[2], None, sys.stderr)
  File "...\lib\traceback.py", line 160, in print_exception
    _print(file, 'Traceback (most recent call last):')
  File "...\lib\traceback.py", line 12, in _print
    file.write(str+terminator)
AttributeError: 'NoneType' object has no attribute 'write'