No reloading modification Python Class with Jupyter

Question

I'm working with Jupyter for compiling code. I have created a set of different .py script creating the class for each script. Basically, I have the script my_class.py which includes

  def functional_feed(self):
    a=5
    return a

Now in Jupyter I'm using:

from f.rel import my_class
gre= my_class.functional_feed()

and it works with 5. But if I change something in my_class and within functional_feed, for instance, the def becomes:

 def functional_feed(self):
  a=11
  return a

and try to compile again within jupiter, all the changes have not effect and it returns 5.

Why?

thank you in advance

I think that you must restart the kernel of the notebook where you import the class. — Stefano Fiorucci - anakin87
– Stefano Fiorucci - anakin87, Commented Nov 13, 2020 at 16:43

Aplet123 · Accepted Answer · 2020-11-13 16:45:17Z

1

Python caches imports by default, so you have to reload the import:

import f.rel
import importlib
# clear the import cache
importlib.reload(f.rel)
# now you can import my_class and it'll be updated
from f.rel import my_class

answered Nov 13, 2020 at 16:45

Aplet123

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2 Comments

user3043636 Over a year ago

First of all, thank you for your reply. I don't know why, but it doesn't reload the script. If I delete the content from my_class.py, and reload as you suggested it returns always 5.

user3043636 Over a year ago

could it happen due to the colab environment?

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