How can I get the diameter of each community

Question

I am trying to calculate the diameter of each community in my dataset, Zachary's karate club using Jupyter. I created a loop to iterate through, but it gives me the diameter of the whole network rather than of each community.

import pandas as pd 
data = pd.read_csv('zachary.txt',sep =" ", header = None)
data_values = data.values
g = Graph()
new_data = data_values.tolist()
data_graph = g.Adjacency(new_data, mode = 'undirected')
s = data_graph.community_infomap()
print(s)
s_List = list(s)
print(s_List)
for ic in s_List:
    y = data_graph.diameter(ic)
    print(y)

I expect the output to be like "$1,2,2$" or "$1,3,1$" but the actual output is "$5,5,5$", which is the diameter of the whole community.