Update app.py

app.py

@@ -38,6 +38,7 @@ headers = {
     "Authorization": f"Bearer {API_KEY}",
     "Content-Type": "application/json"
 }
+key = os.getenv('OPENAI_API_KEY')
 prompt = f"Write instructions to teach anyone to write a discharge plan. List the entities, features and relationships to CCDA and FHIR objects in boldface."
 # page config and sidebar declares up front allow all other functions to see global class variables
 st.set_page_config(page_title="GPT Streamlit Document Reasoner", layout="wide")
@@ -283,7 +284,6 @@ def txt2chunks(text):
     return text_splitter.split_text(text)
 
 def vector_store(text_chunks):
-    key = os.getenv('OPENAI_KEY')
     embeddings = OpenAIEmbeddings(openai_api_key=key)
     return FAISS.from_texts(texts=text_chunks, embedding=embeddings)