code: def float4_axis(self, i: int):
      return [
          x - (self.shape_len - self.upcasted)
          for x in self.sts[i].unit_stride_axes()
          if x >= self.shape_len - self.upcasted
          and self.sts[i].shape[x] % 4 == 0
      ]
  
imports: from __future__ import annotations
  import os, math, itertools
  from typing import NamedTuple, Optional, List, Tuple, cast, Dict, Union
  from tinygrad.ops import LazyOp, FlopCounter, get_lazyop_info, UnaryOps, BinaryOps, ReduceOps, MemBuffer, ConstBuffer, BufferOps
  from tinygrad.device import Device, Compiled
  from tinygrad.dtype import dtypes, ImageDType, DType
  from tinygrad.helpers import dedup, colored, ansilen, getenv, prod, DEBUG, round_up, all_int
  from tinygrad.shape.shapetracker import ShapeTracker, get_contraction
  from tinygrad.shape.symbolic import sint
  from tinygrad.shape.view import View, strides_for_shape
  from dataclasses import dataclass
  from enum import Enum, auto
label_desc: Use image node_id 5 for calling the Kernel obj's underlying member method code with example usage: obj.float4_axis(i) and returns: unknown