[TextClassificationPipeline] Hotfix: make json serializable

src/transformers/pipelines.py

@@ -728,7 +728,7 @@ class TextClassificationPipeline(Pipeline):
         scores = np.exp(outputs) / np.exp(outputs).sum(-1, keepdims=True)
         if self.return_all_scores:
             return [
-                [{"label": self.model.config.id2label[i], "score": score} for i, score in enumerate(item)]
+                [{"label": self.model.config.id2label[i], "score": score.item()} for i, score in enumerate(item)]
                 for item in scores
             ]
         else: