Update packages/mediapipe-core/lib/src/task_options.dart

Co-authored-by: Kate Lovett <[email protected]>

Author: craiglabenz

packages/mediapipe-core/lib/src/task_options.dart

@@ -8,7 +8,7 @@ import 'ffi_utils.dart';
 class BaseOptions extends Equatable {
   const BaseOptions({this.modelAssetBuffer, this.modelAssetPath})
       : assert(
-          !(modelAssetBuffer == null && modelAssetPath == null),
+          modelAssetBuffer != null || modelAssetPath != null,
           'You must supply either `modelAssetBuffer` or `modelAssetPath`',
         ),
         assert(