Update classifier to have a Unknown class prediction

.gitignore

@@ -0,0 +1,2 @@
+*__pycache__*
+*pyc

models/npc-bert-cls/config.json

@@ -1,5 +1,5 @@
 {
-  "_name_or_path": "npc_bert-best",
+  "_name_or_path": "gradio_demo/models/npc-bert-best/",
   "architectures": [
     "BertForSequenceClassification"
   ],
@@ -10,13 +10,15 @@
   "hidden_size": 768,
   "id2label": {
     "0": "Benign/Healthy",
-    "1": "NPC"
+    "1": "NPC",
+    "2": "Unknown/Out of Domain"
   },
   "initializer_range": 0.02,
   "intermediate_size": 3072,
   "label2id": {
     "Benign/Healthy": 0,
-    "NPC": 1
+    "NPC": 1,
+    "Unknown/Out of Domain": 2
   },
   "layer_norm_eps": 1e-12,
   "max_position_embeddings": 512,

models/npc-bert-cls/model.safetensors

@@ -1,3 +1,3 @@
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-size 437958648
+oid sha256:4dfdc98e5c5ae51ec50742ae026b18e73540b58c6a465a83c9ca36525edaa710
+size 437961724

models/npc-bert-cls/training_args.bin

@@ -1,3 +1,3 @@
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-size 4207
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+size 4664