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axs[5,0].set_ylim([-100,50])
plt.show() # <------------------ Remove this one
# RING 2 PLOTS
axs[0,1].plot(t, ring2.IN_1.soma_v, color='black', label='IN soma')
.
.
.
axs[5,1].set_ylim([-100,50])
plt.show() # <------------------ Use only this one