Can't open a Python interpreter in Spyder 2.2.5 (Ubuntu 14.04) -

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a few weeks ago, opened spyder , found not interact default python interpreter console, appeared greyed-out (screenshot below).

screenshot of uninteractive console

consequently, not able run python scripts within ide. have tried rebooting machine, opening new interpreters , ipython interpreters, result same. tried running spyder --reset in terminal erase settings, did not help.

the recent changes python installation made in virtualenv installed python3, not convinced related.

i had same issue, after updating packages. solved problem updating spyder:

sudo pip install --upgrade spyder

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