add imports

app/api.py

@@ -1,7 +1,12 @@
 from fastapi import FastAPI, WebSocket
 from fastapi.responses import HTMLResponse
+from fastapi import Form, Depends, HTTPException, status
+from transformers import pipeline, set_seed, AutoConfig, AutoTokenizer, GPT2LMHeadModel
+import torch
 import os
-
+import time
+import re
+import json
 
 app = FastAPI()
 
@@ -45,6 +50,7 @@ html = """
 async def get():
     return HTMLResponse(html)
 
+
 @app.get("/env")
 async def env():
     environment_variables = "<h3>Environment Variables</h3>"
@@ -52,6 +58,7 @@ async def env():
         environment_variables += f"{name}: {value}<br>"
     return HTMLResponse(environment_variables)
 
+
 @app.websocket("/ws")
 async def websocket_endpoint(websocket: WebSocket):
     await websocket.accept()