Constant python3_sys::PySequenceMethods_INIT

pub const PySequenceMethods_INIT: PySequenceMethods = PySequenceMethods{sq_length: None,
                  sq_concat: None,
                  sq_repeat: None,
                  sq_item: None,
                  was_sq_slice: 0 as *mut _,
                  sq_ass_item: None,
                  was_sq_ass_slice: 0 as *mut _,
                  sq_contains: None,
                  sq_inplace_concat: None,
                  sq_inplace_repeat: None,}