print(fig.axes)
# Expected:
## [<mpl_toolkits.axes_grid1.axes_divider.LocatableAxes at 0x111323d30>,
##  <mpl_toolkits.axes_grid1.axes_divider.LocatableAxes at 0x11128b278>,
##  <mpl_toolkits.axes_grid1.axes_divider.LocatableAxes at 0x111a18908>,
##  <mpl_toolkits.axes_grid1.axes_grid.CbarAxes at 0x111901320>,
##  <mpl_toolkits.axes_grid1.axes_grid.CbarAxes at 0x1119b7748>,
##  <mpl_toolkits.axes_grid1.axes_grid.CbarAxes at 0x111a52828>,
##  <mpl_toolkits.axes_grid1.axes_divider.LocatableAxes at 0x1119de358>,
##  <mpl_toolkits.axes_grid1.axes_grid.CbarAxes at 0x111aa0fd0>]
fig.axes[1].lines[0].set_linestyle('--')
# Expected:
## # fig.savefig('/Users/albireo/Downloads/bpt_new.png')