degbu embeddings

app.py

@@ -82,7 +82,7 @@ with st.sidebar:
     # Create LLM
     if llm_token is not None:
         if provider == 'openai':
-            os.environ['OPENAI_API_KEY'] = llm_token
+            os.environ['OPENAI_API_KEY'] = str(llm_token)
             llm = OpenAI(
                 model=llm_name, 
                 temperature=temperature,
@@ -95,7 +95,7 @@ with st.sidebar:
             Settings.context_window = 4096 # max possible
             Settings.embed_model = OpenAIEmbedding()
         elif provider == 'huggingface':
-            os.environ['HFTOKEN'] = llm_token 
+            os.environ['HFTOKEN'] = str(llm_token)
 
     # Enter parsing Token
     parse_token = st.text_input(