update max length

tasks/text.py

@@ -59,7 +59,7 @@ def tree_classifier(test_dataset: dict, model: str):
     return predictions
 
 class TextDataset(Dataset):
-    def __init__(self, texts, tokenizer, max_length=256):
+    def __init__(self, texts, tokenizer, max_length=512):
         self.texts = texts
         self.tokenized_texts = tokenizer(
             texts,