fix: show the system prompt to the user

app.py

@@ -36,7 +36,7 @@ def format_prompt(message, history, system_prompt):
   return prompt
 
 def generate(
-    prompt, history, system_prompt="<|endoftext|>", temperature=0.9, max_new_tokens=100, top_p=0.95, repetition_penalty=1.0, seed=42,
+    prompt, history, system_prompt, temperature=0.9, max_new_tokens=100, top_p=0.95, repetition_penalty=1.0, seed=42,
 ):
     temperature = float(temperature)
     if temperature < 1e-2:
@@ -70,7 +70,7 @@ def generate(
 
 
 additional_inputs=[
-    gr.Textbox("", label="Optional system prompt"),
+    gr.Textbox("<|endoftext|>", label="Optional system prompt"),
     gr.Slider(
         label="Temperature",
         value=1.0,