#[plt.errorbar(csv_data_fixed[i]['t_shift'], -csv_data_fixed[i]['dlogz'], yerr=csv_data_fixed[i]['dlogz_err'], fmt='o',color=colors[i],label =tags_fixed[i]) for i in range(len(csv_data_fixed))]
#[plt.errorbar(csv_data_fixed[i]['t_shift'], -csv_data_fixed[i]['dlogz'], yerr=csv_data_fixed[i]['dlogz_err'], fmt='o',color=colors[i],label =tags_fixed[i]) for i in range(len(csv_data_fixed))]