docs: def get_fba_flux(self, objective):
          """Return a dictionary of all the fluxes solved by FBA.
  
          Dictionary of fluxes is used in :meth:`.lin_moma` and :meth:`.moma`
          to minimize changes in the flux distributions following model
          perturbation.
  
          Args:
              objective: The objective reaction that is maximized.
  
          Returns:
              Dictionary of fluxes for each reaction in the model.
          """
          flux_result = self.solve_fba(objective)
          fba_fluxes = {}
  
          # Place all the flux values in a dictionary
          for key in self._model.reactions:
              fba_fluxes[key] = flux_result.get_value(self._v_wt[key])
          return fba_fluxes