code: def is_support_non_standard_domain():
      # from ONNX 1.5, skip schema check on ops in non-standard domain
      # see: https://github.com/onnx/onnx/pull/1876
      # this checker expects onnx adapts semantic versioning
      versions = onnx.__version__.split(".")
      if len(versions) < 2 or (not versions[1].isdecimal()):
          raise RuntimeError(
              "ONNX-Chainer cannot get major and minor version ONNX module: "
              "{}".format(onnx.__version__)
          )
      major, minor = versions[0], versions[1]
      return major == "1" and int(minor) >= 5
  
file_path: chainer/onnx_chainer/onnx_helper.py
imports: import onnx
label_desc: Use image node_id 6 for calling a global function with example usage: is_support_non_standard_domain() and returns: unknown