Internal server error when answering quiz

[brandonhostetter]

Here's the quiz. Answer 2 is incorrect. If you answer it correctly, the following error doesn't occur.

[jeSager]

Can you show / tell me all the solutions to that quiz so I can try to recreate the issue?

I cannot tell if that is linked to #67 or not. For each problem, both the solution and the answer are run through sympy.

Thank you.

[brandonhostetter]

Answer 1 should be 3. Answer 2 should be e^x. I can guess question 1 incorrectly and everything is fine. But an incorrect answer for question 2 leads to this error

[jeSager]

Got it.

So for number 2: 3^x, 3^y, x^1, or x^3 will be incorrect .. and 3 or 3^3 will throw an error.

Thank you!

@napolija I think the bigger issue is that when we resolve this, the student will be able to enter the problem as the answer and it will be marked correct.

[jeSager]

@napolija that's an issue too

[jeSager]

FIX: No longer crashes

Python Try / Catch now marks incomparable strings wrong for the teacher to edit later.

Code

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Example 1:

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Example 2 (same quiz):