code: def setUp(self):
      self.buf0 = LazyOp(
          BufferOps.LOAD,
          (),
          MemBuffer(1, dtypes.float32, ShapeTracker.from_shape((4,))),
      )
      self.buf1 = LazyOp(
          BufferOps.LOAD,
          (),
          MemBuffer(2, dtypes.float32, ShapeTracker.from_shape((4,))),
      )
  
file_path: tinygrad/test/unit/test_flopcounter.py
imports: import unittest
  from tinygrad import dtypes
  from tinygrad.ops import LazyOp, BinaryOps, ReduceOps, get_lazyop_info, BufferOps, MemBuffer
  from tinygrad.shape.shapetracker import ShapeTracker
label_desc: Use image node_id 1 for calling the TestFlopCounter obj's underlying member method code with example usage: obj.setUp() without return types