Bug#902132: falcon: FTBFS since python-networkx version 2.1-1; fails in test suite

[Alex Mestiashvili]

Hi Andreas,

I've pushed some commits and opened upstream issue[0].
Also it seems that falcon depends on python-future >=0.16.0 which is not
yet available - #863215.

[0] https://github.com/PacificBiosciences/FALCON/issues/672

Best regards,
Alex