<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 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