You are not considering the condition Whether we are on page which links to 'i' or not.

[mowhammadrezaa]

cs50ai/2_uncertainty/pagerank/pagerank.py

Line 137 in 4712bfe

def iterative_sum(corpus, distribution, page):

You are not considering this condition:
For the second condition, we need to consider each possible page i that links to page p.
In the code:

cs50ai/2_uncertainty/pagerank/pagerank.py

Line 140 in 4712bfe

for page in distribution:

you summed up all the pages' distributions. Take a look at my fork of your work. I have it corrected.

[dtemir]

I noticed that too. Couldn't find your fork. Were you able to resolve the issue? In my case, I also had to normalize values in the iterative_pagerank .