remove unused imports

hackaprompt/completers.py

@@ -2,10 +2,8 @@ import logging
 import os
 from abc import ABC, abstractmethod
 
-import openai
 import tiktoken
 from gradio_client import Client
-from transformers import T5Tokenizer
 
 
 from openai import OpenAI
@@ -88,10 +86,12 @@ class ChatGPTCompletor(TextCompletion):
 
 class FlanT5Completor(TextCompletion):
     def __init__(self, model: str):
+
         self.model = model
         self.client = Client(src=FLAN_HF_SPACE, hf_token=HUB_TOKEN)
 
     def get_token_count(self, prompt: str) -> int:
+        from transformers import T5Tokenizer
         tokenizer = T5Tokenizer.from_pretrained("google/flan-t5-xxl")
 
         input_ids = tokenizer(prompt, return_tensors="pt").input_ids