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According to the documentation returned by

InteractiveLPProblemStandardForm?

your input code is not correct, since InteractiveLPProblemStandardForm has no keyword argument constraint_type. Moreover, the documentation says:

Unlike "InteractiveLPProblem", this class does not allow you to
adjust types of constraints (they are always ""<="") and variables
(they are always "">=""), and the problem type may only be ""max""
or ""-max"".