Exception in terminal when typing in debug console

[karthiknadig]

Environment data

• PTVSD version: master
• OS and version: any
• Python version (& distribution if applicable, e.g. Anaconda): any
• Using VS Code or Visual Studio:

Actual behavior

Traceback (most recent call last):
  File "c:\Users\karth\.vscode\extensions\ms-python.python-2018.10.0-alpha\pythonFiles\experimental\ptvsd\ptvsd\wrapper.py", line 1292, in done
    fut.result()
  File "c:\Users\karth\.vscode\extensions\ms-python.python-2018.10.0-alpha\pythonFiles\experimental\ptvsd\ptvsd\futures.py", line 40, in result
    reraise(self._exc_info)
  File "c:\Users\karth\.vscode\extensions\ms-python.python-2018.10.0-alpha\pythonFiles\experimental\ptvsd\ptvsd\reraise3.py", line 8, in reraise
    raise exc_info[1].with_traceback(exc_info[2])
  File "c:\Users\karth\.vscode\extensions\ms-python.python-2018.10.0-alpha\pythonFiles\experimental\ptvsd\ptvsd\futures.py", line 155, in callback
    x = it.send(fut.result())
  File "c:\Users\karth\.vscode\extensions\ms-python.python-2018.10.0-alpha\pythonFiles\experimental\ptvsd\ptvsd\wrapper.py", line 2274, in on_completions
    for item in list(xml.comp):
  File "c:\Users\karth\.vscode\extensions\ms-python.python-2018.10.0-alpha\pythonFiles\experimental\ptvsd\ptvsd\untangle.py", line 87, in __getattr__
    "'%s' has no attribute '%s'" % (self._name, key)
AttributeError: 'xml' has no attribute 'comp'

Expected behavior

Should not print traceback.

Steps to reproduce:

1. After hitting a breakpoint/pause. Type print(') in the terminal. Notice single quote.