From bc6d86c8ced2406b1df5c10acb0277bb52cfdfe9 Mon Sep 17 00:00:00 2001
From: Pedro Paulo de Amorim <pp.amorim@hotmail.com>
Date: Tue, 31 Mar 2020 13:51:12 +0100
Subject: [PATCH] serialize_unit returns a empty string

---
 meilisearch-core/src/serde/convert_to_string.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meilisearch-core/src/serde/convert_to_string.rs b/meilisearch-core/src/serde/convert_to_string.rs
index bac0de99e..4f89c6166 100644
--- a/meilisearch-core/src/serde/convert_to_string.rs
+++ b/meilisearch-core/src/serde/convert_to_string.rs
@@ -88,7 +88,7 @@ impl ser::Serializer for ConvertToString {
     }
 
     fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "()" })
+        Ok("".to_string())
     }
 
     fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {