Update src/streamlit_app.py

src/streamlit_app.py

@@ -14,7 +14,7 @@ import PyPDF2
 from docx import Document
 
 # Get API key from Streamlit secrets
-API_KEY = st.secrets["OPENAI_API_KEY"]
+API_KEY = os.getenv("OPENAI_API_KEY")
 
 # Initialize Chroma
 embeddings_model = OpenAIEmbeddings(openai_api_key=API_KEY)