docs: def solve_fba(self, objective):
          """Solve the wild type problem using FBA.
  
          Args:
              objective: The objective reaction to be maximized.
  
          Returns:
              The LP Result object for the solved FBA problem.
          """
          self._prob.set_objective(self._v_wt[objective])
          return self._solve(lp.ObjectiveSense.Maximize)