TypeError: 'Summarizer' object is not callable

[Peiwen1234]

I always have this problem when I run the following code. Please help me😭 Thank you
Traceback (most recent call last):
File "", line 1, in
TypeError: 'Summarizer' object is not callable

from summarizer import Summarizer
body = 'Text b.ody that you want to summarize with BERT'
body2 = 'Something else you want to summarize with BERT'
model = Summarizer()
model(body)
model(body2)