TypeError: metaclass conflict: the

lass CustomAPIEmbedding(BaseEmbedding):
    API_URL = 
    headers = {
        "Accept": "application/json",
        "Content-Type": "application/json"
    }
    def query(self, payload):
        response = requests.post(self.API_URL, headers=self.headers, json=payload)
        output = response.json()
        return output
    async def _aget_query_embedding(self, query: str) -> List[float]:
        return self._get_query_embedding(query)

    async def _aget_text_embedding(self, text: str) -> List[float]:
        return self._get_text_embedding(text)

    def _get_query_embedding(self, query: str) -> List[float]:
        response = self.query({
            "inputs": [query],  
            "parameters": {}  
        })
        # Access the 'embeddings' key from the response
        embeddings = response['embeddings'][0]  
        return embeddings

    def _get_text_embedding(self, text: str) -> List[List[float]]:
        response = self.query({
            "inputs": [text],
            "parameters": {} 
        })
        # Access the 'embeddings' key from the response
        embeddings = response['embeddings']  # Adjust based on actual API response structure
        return embeddings

    def _get_text_embeddings(self, texts: List[str]) -> List[List[float]]:
        embeddings = []
        for text in texts:
            response = self.query({
                "inputs": [text],
                "parameters": {}
            })
            try:
                # Adjust this line based on the actual structure of the API response
                embeddings_list = response['embeddings']  # Hypothetical correct key
                embeddings.append(embeddings_list[0])  # Assuming the first element is what you need
            except KeyError:
                print(f"Unexpected response structure: {response}")
                raise
        return embeddings