Update app.py

app.py

@@ -85,8 +85,8 @@ def load_conversation(results):
 
 def chat_with_aiva(input_text):
     convo_length = 30
-    openai.api_key = open_file('key_openai.txt')
-    pinecone.init(api_key=open_file('key_pinecone.txt'), environment='us-west4-gcp')
+    openai.api_key = os.getenv("OPENAI_API_KEY")
+    pinecone.init(api_key=os.getenv("PINECONE_API_KEY"), environment='us-west4-gcp')
     vdb = pinecone.Index("raven-mvp")
 
     a = input_text