# Blender 2.80 (sub 21), Commit date: 2018-08-08 22:20, Hash bf2d078
bpy.ops.outliner.collection_new(nested=False)  # Operator
bpy.ops.object.gpencil_add(view_align=False, location=(0, 0, 0), layers=(True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False), type='STROKE')  # Operator
bpy.ops.object.collection_instance_add(collection='Collection 2', view_align=False, location=(0, 0, 0), layers=(True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False))  # Operator

# backtrace
/home/ronan/Blender/blender2.8/build/bin/blender(BLI_system_backtrace+0x35) [0x3661237]
/home/ronan/Blender/blender2.8/build/bin/blender() [0x229a166]
/home/ronan/Blender/blender2.8/build/bin/blender() [0x229a365]
/lib/x86_64-linux-gnu/libc.so.6(+0x354b0) [0x7fd2d3ed14b0]
/home/ronan/Blender/blender2.8/build/bin/blender(GPENCIL_cache_finish+0xd8) [0x2f4e06c]
/home/ronan/Blender/blender2.8/build/bin/blender() [0x2f03dad]
/home/ronan/Blender/blender2.8/build/bin/blender(DRW_draw_render_loop_ex+0x3bb) [0x2f04fa3]
/home/ronan/Blender/blender2.8/build/bin/blender(DRW_draw_view+0x105) [0x2f04be5]
/home/ronan/Blender/blender2.8/build/bin/blender() [0x23ef7ce]
/home/ronan/Blender/blender2.8/build/bin/blender(view3d_main_region_draw+0x43) [0x23ef87e]
/home/ronan/Blender/blender2.8/build/bin/blender(ED_region_do_draw+0x218) [0x2892c4c]
/home/ronan/Blender/blender2.8/build/bin/blender() [0x229d52a]
/home/ronan/Blender/blender2.8/build/bin/blender() [0x229dabe]
/home/ronan/Blender/blender2.8/build/bin/blender(wm_draw_update+0xc5) [0x229dfca]
/home/ronan/Blender/blender2.8/build/bin/blender(WM_main+0x48) [0x229b153]
/home/ronan/Blender/blender2.8/build/bin/blender() [0x2295d60]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0) [0x7fd2d3ebc830]
/home/ronan/Blender/blender2.8/build/bin/blender(_start+0x29) [0x22956d9]