Update build.py

build.py

@@ -1,4 +1,4 @@
-from llama_index import VectorStoreIndex, SimpleDirectoryReader, ServiceContext, PromptHelper
+from llama_index import VectorStoreIndex, SimpleDirectoryReader, ServiceContext
 from llama_index.vector_stores import PineconeVectorStore
 from llama_index.storage.storage_context import StorageContext
 import pinecone
@@ -22,9 +22,6 @@ def updateBrain(brainName, files):
     pinecone.init(api_key=pinecone_key,
                   environment="us-west4-gcp")
    
-
-    service_context = ServiceContext.from_defaults(
-        prompt_helper=prompt_helper, chunk_size_limit=chunk_size_limit)
     documents = []
     corrupt = []
     newfiles = []