From 1437b1ef989479f7c3036c8ed853de6787435393 Mon Sep 17 00:00:00 2001
From: Peter Sobot <psobot@spotify.com>
Date: Tue, 23 Mar 2021 09:32:28 -0400
Subject: [PATCH] Throw an exception if passed an unrecognized space_name.

---
 python_bindings/bindings.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/python_bindings/bindings.cpp b/python_bindings/bindings.cpp
index 93b79a60..cc481b3e 100644
--- a/python_bindings/bindings.cpp
+++ b/python_bindings/bindings.cpp
@@ -97,6 +97,8 @@ class Index {
     else if(space_name=="cosine") {
       l2space = new hnswlib::InnerProductSpace(dim);
       normalize=true;
+    } else {
+      throw new std::runtime_error("Space name must be one of l2, ip, or cosine.");
     }
     appr_alg = NULL;
     ep_added = true;