diff --git a/semantic_router/index/pinecone.py b/semantic_router/index/pinecone.py
index c685f7f908ff12b800a0735c716d9f4309999f51..de2885243b8e8b17a7eeeee1f23e84a34e9cb964 100644
--- a/semantic_router/index/pinecone.py
+++ b/semantic_router/index/pinecone.py
@@ -71,7 +71,7 @@ class PineconeIndex(BaseIndex):
         self.namespace = namespace
         self.type = "pinecone"
         self.api_key = api_key or os.getenv("PINECONE_API_KEY")
-        
+
         if self.api_key is None:
             raise ValueError("Pinecone API key is required.")