Here I attach the patch removing the unused imports. All the tests passed but you should watch out for the compatibility issues mentioned above if they are not covered by tests.
I didn't mess up with BTrees package because it's too difficult for me.
I didn't look into unused variables yet.
Here I attach the patch removing the unused imports. All the tests passed but you should watch out for the compatibility issues mentioned above if they are not covered by tests.
I didn't mess up with BTrees package because it's too difficult for me.
I didn't look into unused variables yet.