message: Handle case when input is complex64 type.
  Fixes
diff: @@ -121,6 +121,8 @@ DataType ConvertIODataTypeToDataType(toco::IODataType dtype) {
  return DT_STRING;
  case toco::IODataType::BOOL:
  return DT_BOOL;
  + case toco::IODataType::COMPLEX64:
  + return DT_COMPLEX64;
  default:
  return DT_INVALID;
  }
  