PredictionMetrics.fromJson error

[pgainullin]

Error
dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 296:3  throw_
dart-sdk/lib/_internal/js_shared/lib/rti.dart 1388:3                         _failedAsCheck
dart-sdk/lib/_internal/js_shared/lib/rti.dart 1366:3                         _generalAsCheckImplementation
**packages/replicate/src/models/predictions/prediction.dart 75:34              fromJson**
packages/replicate/src/instance/predictions/predictions.dart 62:27           <fn>
packages/replicate/src/network/http_client.dart 54:23                        post
dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 45:50           <fn>
dart-sdk/lib/async/zone.dart 1661:54                                         runUnary
dart-sdk/lib/async/future_impl.dart 163:18                                   handleValue
dart-sdk/lib/async/future_impl.dart 847:44                                   handleValueCallback
dart-sdk/lib/async/future_impl.dart 876:13                                   _propagateToListeners
dart-sdk/lib/async/future_impl.dart 652:5                                    [_completeWithValue]
dart-sdk/lib/async/future_impl.dart 722:7                                    callback
dart-sdk/lib/async/schedule_microtask.dart 40:11                             _microtaskLoop
dart-sdk/lib/async/schedule_microtask.dart 49:5                              _startMicrotaskLoop
dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 181:7           <fn>

Looks like a cast error