add patch for encode function to remove eos token at the beginning of left side

text-generation-webui/custom_monkey_patch.py

@@ -5,6 +5,8 @@ from autograd_4bit import load_llama_model_4bit_low_ram, Autograd4bitQuantLinear
 from peft import PeftModel
 from peft.tuners.lora import Linear4bitLt
 
+patch_encode_func = False
+
 def load_model_llama(*args, **kwargs):
 
     config_path = '../llama-13b-4bit/'
@@ -41,4 +43,15 @@ shared.settings['name2'] = 'Assistant'
 shared.settings['chat_prompt_size_max'] = 2048
 shared.settings['chat_prompt_size'] = 2048
 
+if patch_encode_func:
+    from modules import text_generation
+    text_generation.encode_old = text_generation.encode
+    def encode_patched(*args, **kwargs):
+        input_ids = text_generation.encode_old(*args, **kwargs)
+        if input_ids[0,0] == 0:
+            input_ids = input_ids[:, 1:]
+        return input_ids
+    text_generation.encode = encode_patched
+    print('Encode Function Patched.')
+
 print('Monkey Patch Completed.')