From b7d755c1035a88ffab690c9b73c596778da95a0a Mon Sep 17 00:00:00 2001
From: Laurent LAPORTE <laurent.laporte.pro@gmail.com>
Date: Wed, 12 Jul 2023 10:21:17 +0200
Subject: [PATCH] fix(typing): fix redundant cast to "str"

---
 .../storage/variantstudy/model/command/create_st_storage.py     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/antarest/study/storage/variantstudy/model/command/create_st_storage.py b/antarest/study/storage/variantstudy/model/command/create_st_storage.py
index 0b008b61bf..b029336fab 100644
--- a/antarest/study/storage/variantstudy/model/command/create_st_storage.py
+++ b/antarest/study/storage/variantstudy/model/command/create_st_storage.py
@@ -141,7 +141,7 @@ def register_matrix(
                 "inflows": constants.get_st_storage_inflows,
             }
             method = methods[field.name]
-            return cast(str, method())
+            return method()
         if isinstance(v, str):
             # Check the matrix link
             return validate_matrix(v, values)