message: [Bugfix] Use domain explicitly when obtaining schema for a given operator
diff: @@ -47,7 +47,7 @@ class NodeCoverage(object):
  if self.op_type is None:
  self.op_type = node.op_type
  assert self.op_type is not None
  - self.schema = defs.get_schema(self.op_type)
  + self.schema = defs.get_schema(self.op_type, node.domain)
  for attr in node.attribute:
  self.attr_coverages[attr.name].add(attr)
  