https://github.com/rafguns/linkpred/blob/ae7adc8147204e8d0564df72d33e486df62dab50/linkpred/predictors/neighbour.py#L28 in AdamicAdar i got ZeroDivisionError : floar division by zero Any idea on how to fix this ? Thank you 
linkpred/linkpred/predictors/neighbour.py
Line 28 in ae7adc8
in AdamicAdar i got ZeroDivisionError : floar division by zero
Any idea on how to fix this ? Thank you