From 1b3bd52e0e9b7f733d86942ccf642de77df2b027 Mon Sep 17 00:00:00 2001
From: Vadym Barda <vadym@langchain.dev>
Date: Sun, 8 Sep 2024 10:35:25 -0400
Subject: [PATCH] core[patch]: fix edge labels for mermaid graphs (#26201)

---
 libs/core/langchain_core/runnables/graph_mermaid.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/core/langchain_core/runnables/graph_mermaid.py b/libs/core/langchain_core/runnables/graph_mermaid.py
index a471ffe26f6..1d06095b7b7 100644
--- a/libs/core/langchain_core/runnables/graph_mermaid.py
+++ b/libs/core/langchain_core/runnables/graph_mermaid.py
@@ -119,9 +119,9 @@ def draw_mermaid(
                         for i in range(0, len(words), wrap_label_n_words)
                     )
                 if edge.conditional:
-                    edge_label = f" -. &nbsp{edge_data}&nbsp .-> "
+                    edge_label = f" -. &nbsp;{edge_data}&nbsp; .-> "
                 else:
-                    edge_label = f" -- &nbsp{edge_data}&nbsp --> "
+                    edge_label = f" -- &nbsp;{edge_data}&nbsp; --> "
             else:
                 if edge.conditional:
                     edge_label = " -.-> "