Invalid Schema Error when Using examples Field in Pydantic Model for OpenAI Python Client #2274

from openai import Client
from pydantic import BaseModel, Field
from dotenv import load_dotenv

load_dotenv()

client = Client()

class Step(BaseModel):
    explanation: str
    output: str

class MathReasoning(BaseModel):
    steps: list[Step]
    final_answer: str = Field(
        title="Final Answer",
        description="The final answer to the math problem",
        examples=["x = -3", "x = 2"]
    )

completion = client.beta.chat.completions.parse(
    model="gpt-4o-2024-08-06",
    messages=[
        {"role": "system", "content": "You are a helpful math tutor. Guide the user through the solution step by step."},
        {"role": "user", "content": "how can I solve 8x + 7 = -23"}
    ],
    response_format=MathReasoning,
)

math_reasoning = completion.choices[0].message

# If the model refuses to respond, you will get a refusal message
if (math_reasoning.refusal):
    print(math_reasoning.refusal)
else:
    print(math_reasoning.parsed)