Update local_evaluation_with_api.py, add multi-message prompt.

local_evaluation_with_api.py

@@ -38,12 +38,20 @@ class LLM_API:
         self.model = "gpt-3.5-turbo-1106"
 
     def api_call(self, prompt, max_tokens):
-        """ Simple single prompt api call """
-        response = self.client.chat.completions.create(
-            model=self.model,
-            messages=[{"role": "user", "content": prompt}],
-            max_tokens=max_tokens,
-        )
+        if isinstance(prompt, str):  # Single-message prompt
+            response = self.client.chat.completions.create(
+                model=self.model,
+                messages=[{"role": "user", "content": prompt}],
+                max_tokens=max_tokens,
+            )
+        elif isinstance(prompt, list):  # Multi-message prompt
+            response = self.client.chat.completions.create(
+                model=self.model,
+                messages=prompt,
+                max_tokens=max_tokens,
+            )
+        else:
+            raise TypeError
         response_text = response.choices[0].message.content
         input_tokens = response.usage.prompt_tokens
         output_tokens = response.usage.completion_tokens