python.log is in world of tanks dir, no subdir. (as mentioned above)
default toggle key is "0" key on the numerical keypad. This can be changed by editing the "autoaim_indicator.json" file located in res_mods\0.9.5\scripts\client\mods\
If you remapped your keys/mouse the principle is still the same. In that, it is wherever you remapped right-click for the mouse that now activates it. Saying this does not help is just being annoying. If you have ability to remap things then you also know that it is now wherever you remapped it, stop wasting peoples time with rubbish.