Help for little probability calculator error

Tell us what’s happening:
The code seen totally fine on PyCharm.I get one fail and one error but can’t find where ı did. Could you help me, please? thanks a lot
Here my code
Your code so far

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User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.190 Safari/537.36.

Challenge: Probability Calculator

Link to the challenge:

What error exactly is printed?