Update app.py

app.py

@@ -75,7 +75,7 @@ def fasttext_prediction_in_sklearn_format(classifier, texts, num_class):
     #     texts = [texts]
 
     res = []
-    labels, probabilities = classifier.predict(texts, num_class)
+    labels, probabilities = classifier.predict(texts, -1)
     labels = remove_label_prefix_list(labels)
     for label, probs, text in zip(labels, probabilities, texts):
         order = np.argsort(np.array(label))