when i am running this code on Collab it is showing me this error message. Can anyone tell me please how to fix it.

[Peerzadasaima]

ModuleNotFoundError Traceback (most recent call last)
in
12 from sklearn import metrics
13
---> 14 from decagon.optimizer import DecagonOptimizer
15 from decagon.model import DecagonModel
16 from decagon.minibatch import EdgeMinibatchIterator

ModuleNotFoundError: No module named 'decagon'