add missing file

ling_disc.py

@@ -0,0 +1,19 @@
+from torch import nn
+from transformers import DebertaV2ForSequenceClassification, AutoModel
+
+
+class DebertaReplacedTokenizer(DebertaV2ForSequenceClassification):
+    def __init__(self, config, **kwargs):
+        tok_model_name = kwargs.pop('tok_model_name')
+        if 'num_labels' in kwargs:
+            config.num_labels = kwargs.pop('num_labels')
+        super().__init__(config, **kwargs)
+
+        tok_model = AutoModel.from_pretrained(tok_model_name)
+        new_emb = nn.Sequential(
+                tok_model.get_input_embeddings(),
+                nn.Linear(tok_model.config.hidden_size\
+                        if 'opt' not in tok_model_name else tok_model.config.word_embed_proj_dim,
+                    self.config.hidden_size)
+                )
+        self.set_input_embeddings(new_emb)