# Blender 2.79 (sub 0), Unknown revision
bpy.context.space_data.context = 'MATERIAL'  # Property
bpy.ops.object.material_slot_remove()  # Operator
bpy.ops.material.new()  # Operator

# backtrace
/usr/lib/blender/blender(BLI_system_backtrace+0x30) [0x1790930]
/usr/lib/blender/blender() [0xd2b681]
/lib/x86_64-linux-gnu/libc.so.6(+0x354b0) [0x7fe3a6b274b0]
/usr/lib/blender/blender(RNA_struct_iterator_property+0) [0x1600a50]
/usr/lib/blender/blender(RNA_struct_find_property+0x2a) [0x160663a]
/usr/lib/blender/blender(RNA_boolean_get+0x11) [0x1608c61]
/usr/lib/blender/blender(_ZN3ccl11BlenderSync18sync_render_passesERN2BL11RenderLayerERNS1_16SceneRenderLayerERKNS_13SessionParamsE+0x219) [0x1bfd2d9]
/usr/lib/blender/blender(_ZN3ccl14BlenderSession6renderEv+0x671) [0x1bf7f91]
/usr/lib/blender/blender() [0x1bead08]
/usr/lib/x86_64-linux-gnu/libpython3.5m.so.1.0(PyEval_EvalFrameEx+0x74f5) [0x7fe3b01fa025]
/usr/lib/x86_64-linux-gnu/libpython3.5m.so.1.0(PyEval_EvalFrameEx+0x79d9) [0x7fe3b01fa509]
/usr/lib/x86_64-linux-gnu/libpython3.5m.so.1.0(+0x24ac0c) [0x7fe3b028ac0c]
/usr/lib/x86_64-linux-gnu/libpython3.5m.so.1.0(PyEval_EvalCodeEx+0x23) [0x7fe3b028ace3]
/usr/lib/x86_64-linux-gnu/libpython3.5m.so.1.0(+0xd2a98) [0x7fe3b0112a98]
/usr/lib/x86_64-linux-gnu/libpython3.5m.so.1.0(PyObject_Call+0x6e) [0x7fe3b01b98ee]
/usr/lib/blender/blender() [0x114215e]
/usr/lib/blender/blender() [0x16beeb1]
/usr/lib/blender/blender(RE_engine_render+0x343) [0x10bf373]
/usr/lib/blender/blender() [0x10d1d89]
/usr/lib/blender/blender(RE_PreviewRender+0xae) [0x10d395e]
/usr/lib/blender/blender() [0x1016e19]
/usr/lib/blender/blender() [0x1016fd1]
/usr/lib/blender/blender() [0x10174b6]
/usr/lib/blender/blender() [0x1017792]
/usr/lib/blender/blender() [0xd3c2ca]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba) [0x7fe3aedee6ba]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7fe3a6bf93dd]