#!/usr/bin/env python3
import matplotlib.pyplot as plt
 
def onpick(event):
    print(event) #Only events from fig2 are shown
    return True
rect=[.1,.1,.8,.8]
fig1 = plt.figure()
ax = fig1.add_axes(rect,polar=True)
ax.bar(1, 2,   picker=True)
fig1.canvas.mpl_connect('pick_event',onpick)

fig2 = plt.figure()
ax2 = fig2.add_axes(rect,polar=False)
ax2.bar(1, 2,  picker=True)
fig2.canvas.mpl_connect('pick_event',onpick)
plt.show()