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Update app.py
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app.py
CHANGED
@@ -29,11 +29,11 @@ try:
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MODEL_ID,
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torch_dtype=torch.float32,
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device_map="cpu",
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force_download=True #
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)
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tokenizer = AutoTokenizer.from_pretrained(
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MODEL_ID,
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force_download=True #
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)
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model.eval()
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print("--- Model and Tokenizer Loaded Successfully on CPU ---")
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@@ -41,14 +41,24 @@ try:
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stop_token_strings = ["<|endofturn|>", "<|stop|>"]
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stop_token_ids_list = [tokenizer.convert_tokens_to_ids(token) for token in stop_token_strings]
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stop_token_ids_list = [tid for tid in stop_token_ids_list if tid is not None]
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if not stop_token_ids_list:
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print("Warning: Could not find any stop token IDs.
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print(f"Using Stop Token IDs: {stop_token_ids_list}")
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@@ -77,6 +87,7 @@ def predict(message, history):
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{"role": "tool_list", "content": ""},
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{"role": "system", "content": system_prompt}
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]
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for user_msg, ai_msg in history:
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chat_history_formatted.append({"role": "user", "content": user_msg})
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chat_history_formatted.append({"role": "assistant", "content": ai_msg})
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@@ -87,12 +98,13 @@ def predict(message, history):
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output_ids = None
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try:
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inputs = tokenizer.apply_chat_template(
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chat_history_formatted,
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add_generation_prompt=True,
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return_dict=True,
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return_tensors="pt"
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).to(
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input_length = inputs['input_ids'].shape[1]
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print(f"\nInput tokens: {input_length}")
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@@ -103,11 +115,12 @@ def predict(message, history):
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try:
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print("Generating response...")
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with torch.no_grad():
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output_ids = model.generate(
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**inputs,
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max_new_tokens=MAX_NEW_TOKENS,
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eos_token_id=stop_token_ids_list,
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pad_token_id=tokenizer.eos_token_id,
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do_sample=True,
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temperature=0.7,
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top_p=0.9,
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@@ -121,26 +134,35 @@ def predict(message, history):
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gc.collect()
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return f"μ€λ₯: μλ΅μ μμ±νλ μ€ λ¬Έμ κ° λ°μνμ΅λλ€. ({e})"
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print(f"Output tokens: {len(new_tokens)}")
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del
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del
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gc.collect()
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print("Memory cleaned.")
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return response
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print("--- Setting up Gradio Interface ---")
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chatbot_component = gr.Chatbot(
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label="HyperCLOVA X SEED (0.5B) λν",
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bubble_full_width=False,
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height=600
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examples = [
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["λ€μ΄λ² ν΄λ‘λ°Xλ 무μμΈκ°μ?"],
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@@ -149,6 +171,7 @@ examples = [
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["μ μ£Όλ μ¬ν κ³νμ μΈμ°κ³ μλλ°, 3λ° 4μΌ μΆμ² μ½μ€ μ’ μ§μ€λ?"],
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]
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demo = gr.ChatInterface(
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fn=predict,
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chatbot=chatbot_component,
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@@ -162,11 +185,9 @@ demo = gr.ChatInterface(
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examples=examples,
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cache_examples=False,
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theme="soft",
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retry_btn="λ€μ μλ",
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undo_btn="μ΄μ ν΄ μμ ",
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clear_btn="λν μ΄κΈ°ν",
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)
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if __name__ == "__main__":
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print("--- Launching Gradio App ---")
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demo.queue().launch()
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MODEL_ID,
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torch_dtype=torch.float32,
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device_map="cpu",
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force_download=True # μ΄μ μ€λ₯ ν΄κ²°μ μν΄ μ μ§ (νμ μμΌλ©΄ False λλ μ κ±°)
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)
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tokenizer = AutoTokenizer.from_pretrained(
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MODEL_ID,
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force_download=True # μ΄μ μ€λ₯ ν΄κ²°μ μν΄ μ μ§ (νμ μμΌλ©΄ False λλ μ κ±°)
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)
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model.eval()
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print("--- Model and Tokenizer Loaded Successfully on CPU ---")
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stop_token_strings = ["<|endofturn|>", "<|stop|>"]
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stop_token_ids_list = [tokenizer.convert_tokens_to_ids(token) for token in stop_token_strings]
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# λͺ¨λΈ ν ν¬λμ΄μ μ eos_token_idκ° μ λλ‘ μ€μ λμ΄ μλμ§ νμΈ
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if tokenizer.eos_token is not None and tokenizer.eos_token_id not in stop_token_ids_list:
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# eos_token_idκ° Noneμ΄ μλκ³ λ¦¬μ€νΈμ μμ λλ§ μΆκ°
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if tokenizer.eos_token_id is not None:
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stop_token_ids_list.append(tokenizer.eos_token_id)
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else:
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print("Warning: tokenizer.eos_token_id is None. Cannot add to stop tokens.")
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elif tokenizer.eos_token is None:
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print("Warning: tokenizer.eos_token is not defined.")
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stop_token_ids_list = [tid for tid in stop_token_ids_list if tid is not None]
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if not stop_token_ids_list:
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print("Warning: Could not find any stop token IDs. Generation might not stop correctly.")
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# Fallback: λ§μ½ eos ν ν° IDλ μλ€λ©΄, generationμμ λ¬Έμ κ° μκΈΈ μ μμ
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# νμνλ€λ©΄ κΈ°λ³Έ eos ν ν° IDλ₯Ό νλμ½λ©νκ±°λ λ€λ₯Έ λ°©μμΌλ‘ μ²λ¦¬ν΄μΌ ν μ μμ
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# μ: stop_token_ids_list = [some_default_eos_id]
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print(f"Using Stop Token IDs: {stop_token_ids_list}")
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{"role": "tool_list", "content": ""},
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{"role": "system", "content": system_prompt}
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]
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# historyκ° (user, ai) νν 리μ€νΈλΌκ³ κ°μ
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for user_msg, ai_msg in history:
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chat_history_formatted.append({"role": "user", "content": user_msg})
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chat_history_formatted.append({"role": "assistant", "content": ai_msg})
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output_ids = None
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try:
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# device_map="cpu"λ‘ λͺ¨λΈμ λ‘λνμΌλ―λ‘, inputsλ cpuλ‘ λ³΄λ
λλ€.
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inputs = tokenizer.apply_chat_template(
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chat_history_formatted,
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add_generation_prompt=True,
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return_dict=True,
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return_tensors="pt"
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).to("cpu") # λͺ
μμ μΌλ‘ CPU μ§μ
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input_length = inputs['input_ids'].shape[1]
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print(f"\nInput tokens: {input_length}")
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try:
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print("Generating response...")
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with torch.no_grad():
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# eos_token_idμ 리μ€νΈλ₯Ό μ λ¬νλ κ²μ΄ μΌλ°μ μ
λλ€.
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output_ids = model.generate(
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**inputs,
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max_new_tokens=MAX_NEW_TOKENS,
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eos_token_id=stop_token_ids_list, # μμ λ stop_token_ids_list μ¬μ©
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pad_token_id=tokenizer.eos_token_id if tokenizer.eos_token_id is not None else tokenizer.pad_token_id, # pad_token_id νμΈ
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do_sample=True,
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temperature=0.7,
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top_p=0.9,
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gc.collect()
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return f"μ€λ₯: μλ΅μ μμ±νλ μ€ λ¬Έμ κ° λ°μνμ΅λλ€. ({e})"
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# output_idsκ° Noneμ΄ μλ κ²½μ°μλ§ λμ½λ© μλ
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if output_ids is not None:
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new_tokens = output_ids[0, input_length:]
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response = tokenizer.decode(new_tokens, skip_special_tokens=True)
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print(f"Output tokens: {len(new_tokens)}")
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del new_tokens # λ©λͺ¨λ¦¬ μ 리
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else:
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response = "μ€λ₯: μλ΅ μμ±μ μ€ν¨νμ΅λλ€ (output_ids is None)."
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print("Generation failed, output_ids is None.")
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# λ©λͺ¨λ¦¬ μ 리
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if inputs is not None: del inputs
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if output_ids is not None: del output_ids
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gc.collect()
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print("Memory cleaned.")
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return response
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# --- Gradio Interface ---
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print("--- Setting up Gradio Interface ---")
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# UserWarning ν΄κ²° λ° μ΅μ νμ μ¬μ©
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chatbot_component = gr.Chatbot(
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label="HyperCLOVA X SEED (0.5B) λν",
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bubble_full_width=False,
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height=600,
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type='messages' # message νμ μ¬μ© λͺ
μ
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)
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examples = [
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["λ€μ΄λ² ν΄λ‘λ°Xλ 무μμΈκ°μ?"],
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["μ μ£Όλ μ¬ν κ³νμ μΈμ°κ³ μλλ°, 3λ° 4μΌ μΆμ² μ½μ€ μ’ μ§μ€λ?"],
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]
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# λ¬Έμ κ° λ μΈμ(retry_btn, undo_btn, clear_btn) μ κ±°
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demo = gr.ChatInterface(
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fn=predict,
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chatbot=chatbot_component,
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examples=examples,
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cache_examples=False,
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theme="soft",
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)
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# --- Launch the App ---
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if __name__ == "__main__":
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print("--- Launching Gradio App ---")
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demo.queue().launch()
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