what does this do?#!/usr/bin/env python3
import os
import subprocess
import time
from collections import deque
from typing import Dict, List
import importlib

import openai
import pinecone
from dotenv import load_dotenv

# Load default environment variables (.env)
load_dotenv()

# Engine configuration

# API Keys
OPENAI_API_KEY = os.getenv("OPENAI_API_KEY", "")
assert OPENAI_API_KEY, "OPENAI_API_KEY environment variable is missing from .env"

OPENAI_API_MODEL = os.getenv("OPENAI_API_MODEL", "gpt-3.5-turbo")
assert OPENAI_API_MODEL, "OPENAI_API_MODEL environment variable is missing from .env"

if "gpt-4" in OPENAI_API_MODEL.lower():
    print(
        "\033[91m\033[1m"
        + "\n*****USING GPT-4. POTENTIALLY EXPENSIVE. MONITOR YOUR COSTS*****"
        + "\033[0m\033[0m"
    )

PINECONE_API_KEY = os.getenv("PINECONE_API_KEY", "")
assert PINECONE_API_KEY, "PINECONE_API_KEY environment variable is missing from .env"

PINECONE_ENVIRONMENT = os.getenv("PINECONE_ENVIRONMENT", "")
assert (
    PINECONE_ENVIRONMENT
), "PINECONE_ENVIRONMENT environment variable is missing from .env"

# Table config
YOUR_TABLE_NAME = os.getenv("TABLE_NAME", "")
assert YOUR_TABLE_NAME, "TABLE_NAME environment variable is missing from .env"

# Goal configuation
OBJECTIVE = os.getenv("OBJECTIVE", "")
INITIAL_TASK = os.getenv("INITIAL_TASK", os.getenv("FIRST_TASK", ""))

# Model configuration
OPENAI_TEMPERATURE = float(os.getenv("OPENAI_TEMPERATURE", 0.0))


# Extensions support begin

def can_import(module_name):
    try:
        importli