Using model parameters from environment variables

crew.py

@@ -8,13 +8,10 @@ from crewai.project import CrewBase, agent, crew, task
 from crewai_tools import SerperDevTool, ScrapeWebsiteTool
 #from pydantic import BaseModel, Field
 from typing import List, Optional
-import os
 
-os.environ["OPENAI_API_KEY"] = "aGlhbWl0YWJoYV9fZ21haWwuY29tOnhvbnhGMmh2MEU="
-os.environ["OPENAI_API_BASE"] = "https://api.sambanova.ai/v1"
-os.environ["OPENAI_MODEL_NAME"] = "sambanova/Meta-Llama-3.1-70B-Instruct"
+import os
 
-llm = LLM(model="sambanova/Meta-Llama-3.1-70B-Instruct")
+llm = LLM(model=os.environ("OPENAI_MODEL_NAME")
 
 """
 class Activity(BaseModel):