Fix List input bug (#838)

examples/usage/openai_parallel_sample.py

@@ -17,9 +17,9 @@ print(response)
 response = client.completions.create(
     model="default",
     prompt="I am a robot and I want to study like humans. Now let's tell a story. Once upon a time, there was a little",
-    n=1,
+    n=5,
     temperature=0.8,
-    max_tokens=32,
+    max_tokens=320,
 )
 print(response)
 
@@ -68,6 +68,22 @@ response = client.completions.create(
 print(response)
 
 
+response = client.completions.create(
+    model="default",
+    prompt=[
+        "prompt1: I am a robot and I want to learn like humans. Now let's begin a tale. Once upon a time, there was a small",
+        "prompt2: As a robot, my goal is to understand human learning. Let's start a story. In a faraway land, there lived a tiny",
+        "prompt3: Being a robot, I aspire to study like people. Let's share a story. Long ago, there was a little",
+        "prompt4: I am a robot aiming to learn like humans. Let's narrate a story. Once, in a distant kingdom, there was a young",
+        "prompt5: As a robot, I seek to learn in human ways. Let's tell a story. Once upon a time, in a small village, there was a young",
+    ],
+    n=1,
+    temperature=0.8,
+    max_tokens=320,
+)
+print(response)
+
+
 # Text completion
 response = client.completions.create(
     model="default",