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Traceback (most recent call last): File "/piston/jobs/d413b623-c9e3-4b99-bce6-7b2152998a7f/test.py", line 23, in <module> solve(C, S) File "/piston/jobs/d413b623-c9e3-4b99-bce6-7b2152998a7f/test.py", line 9, in solve root = vars(S)TypeError: vars() argument must have __dict__ attribute

Question

Traceback (most recent call last): File "/piston/jobs/d413b623-c9e3-4b99-bce6-7b2152998a7f/test.py", line 23, in <module> solve(C, S) File "/piston/jobs/d413b623-c9e3-4b99-bce6-7b2152998a7f/test.py", line 9, in solve root = vars(S)TypeError: vars() argument must have dict attribute

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Solution

The error message you're seeing is because you're trying to use the vars() function on an object that doesn't have a __dict__ attribute. The vars() function is used to return the __dict__ attribute of an object, which is a dictionary or other mapping object used to store an object’s (writable) attributes.

Here's a step-by-step breakdown of the error:

  1. You're calling the solve(C, S) function.
  2. Inside the solve function, you're trying to get the __dict__ attribute of S by calling vars(S).
  3. However, S doesn't have a __dict__ attribute, so Python raises a TypeError.

To fix this error, you need to make sure that S is an object that has a __dict__ attribute. This usually means it needs to be an instance of a class. If S is a built-in data type or an instance of a class that doesn't define any attributes or methods, it won't have a __dict__ attribute.

This problem has been solved

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