fix tests

pipline.py

@@ -4,7 +4,7 @@ from langchain.prompts import load_prompt
 import wikipedia
 import os
 
-llm = OpenAI()
+llm = OpenAI(openai_api_key=os.environ.get("OPENAI_API_KEY"))
 # save templates to a file
 try_imply_template = """Question:
  The user wrote me the following text, what is he trying to imply to me?

test.py

@@ -1,4 +1,2 @@
-import subprocess
-import model
 import os
-print(os.getenv("OPENAI_API_KEY"))
+print(os.environ.get("OPENAI_API_KEY"))