code: def time_convolve2d(self, mode, boundary):
      for a, b in self.pairs:
          if mode == "valid":
              if b.shape[0] > a.shape[0] or b.shape[1] > a.shape[1]:
                  continue
          signal.convolve2d(a, b, mode=mode, boundary=boundary)
  
imports: from itertools import product
  import numpy
  from .common import Benchmark, safe_import
label_desc: Use image node_id 2 for calling the Convolve2D obj's underlying member method code with example usage: obj.time_convolve2d(mode, boundary) without return types