message: fix(//core/conversion): Check for calibrator before setting int8 mode
diff: @@ -52,7 +52,7 @@ ConversionCtx::ConversionCtx(BuilderSettings build_settings)
  TRTORCH_CHECK(builder->platformHasFastInt8(), "Requested inference in INT8 but platform does support INT8");
  cfg->setFlag(nvinfer1::BuilderFlag::kINT8);
  input_type = nvinfer1::DataType::kFLOAT;
  - // If the calibrator is nullptr then TRT will use default quantization
  + TRTORCH_CHECK(settings.calibrator != nullptr, "Requested inference in INT8 but no calibrator provided, set the ptq_calibrator field in the ExtraInfo struct with your calibrator");
  cfg->setInt8Calibrator(settings.calibrator);
  break;
  case nvinfer1::DataType::kFLOAT:
  