If I set plt.rc ('text', usetex=True) the vertical alignment of tick labels is incorrect. For negative ticks, the tick labels are quite visibly lower than the positive marks.

With matplotlib 2.0.2 with python3.4.3, and "Times New Roman" font, saving figure as pdf file misses the unicode minus sign in the tick labels. If I use pyplot.show() to directly show the figure, the ...