blender error

# Blender 2.75 (sub 1), Unknown revision
bpy.context.area.type = 'VIEW_3D'  # Property

# backtrace
./blender(BLI_system_backtrace+0x1d) [0x11b17ad]
./blender() [0x8a50f3]
/lib/x86_64-linux-gnu/libc.so.6(+0x36d40) [0x7eff97f3ad40]
./blender() [0xe92b5c]
./blender() [0xdfe25a]
./blender(GPU_normal_setup+0xe) [0xdfe78e]
./blender() [0xe9178f]
./blender() [0x992b62]
./blender(draw_object+0x29fb) [0x9a160b]
./blender() [0x96c264]
./blender(view3d_main_area_draw+0x16b) [0x96fc8b]
./blender(ED_region_do_draw+0x997) [0xb4e9c7]
./blender(wm_draw_update+0x655) [0x8ac0c5]
./blender(WM_main+0x28) [0x8a7398]
./blender(main+0xe4f) [0x894c3f]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7eff97f25ec5]
./blender() [0x8a4b54]