Fix

app.py

@@ -4,7 +4,7 @@ from huggingface_hub import InferenceClient
 
 def respond(
     message,
-    history: list[tuple[str, str]],
+    history: list[dict[str, str]],
     system_message,
     max_tokens,
     temperature,
@@ -18,11 +18,7 @@ def respond(
 
     messages = [{"role": "system", "content": system_message}]
 
-    for val in history:
-        if val[0]:
-            messages.append({"role": "user", "content": val[0]})
-        if val[1]:
-            messages.append({"role": "assistant", "content": val[1]})
+    messages.extend(history)
 
     messages.append({"role": "user", "content": message})