python - Undefined variable from import PyGame_SDL2 in PyDev? -


i'm creating android game in pydev using pygame_sdl2 , rapt, keep getting these errors on specific lines of code:

#                                                  v here v elif ev.type == pygame.keydown , ev.key == pygame.k_ac_back:

which gives me: 

undefined variable import: k_ac_back

i'm wondering if pygame error or pydev error; people seem having similar problems pydev (like so) tried , nothing happens.

could please give me direction on how fix this?


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