code: def time_convolve2d(self, mode):
      for a, b in self.pairs["2d"]:
          if mode == "valid":
              if b.shape[0] > a.shape[0] or b.shape[1] > a.shape[1]:
                  continue
          signal.convolve(a, b, mode=mode)
  
imports: from itertools import product
  import numpy
  from .common import Benchmark, safe_import
label_desc: Use image node_id 3 for calling the Convolve obj's underlying member method code with example usage: obj.time_convolve2d(mode) without return types