Update app.py

app.py

@@ -6,7 +6,7 @@ from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.document_loaders import WhatsAppChatLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from dotenv import load_dotenv
-import pinecone
+from pinecone import Pinecone, ServerlessSpec
 
 load_dotenv()
 
@@ -15,12 +15,16 @@ pinecone_key = os.getenv("PINECONE_API_KEY")
 pinecone.init(api_key=pinecone_key, environment='us-west1-gcp')
 index_name = "whatsapp-chat-index"
 
-if index_name not in pinecone.list_indexes():
-    pinecone.create_index(
-        name=index_name,
-        dimension=384,  # change as per embedding model
-        metric="cosine"
-    )
+if 'index_name' not in pc.list_indexes().names():
+        pc.create_index(
+            name=index_name, 
+            dimension=1536, 
+            metric='euclidean',
+            spec=ServerlessSpec(
+                cloud='aws',
+                region='us-west-2'
+            )
+        )
 
 index = pinecone.Index(index_name)