From dcbcf0445f13867e7b24ab591bee4d8bc24db77f Mon Sep 17 00:00:00 2001
From: Lele Gaifax <lele@metapensiero.it>
Date: Wed, 9 Nov 2022 08:53:22 +0100
Subject: [PATCH] Fix thinko

---
 lib/sqlalchemy/dialects/postgresql/ranges.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/sqlalchemy/dialects/postgresql/ranges.py b/lib/sqlalchemy/dialects/postgresql/ranges.py
index a8863ba05a..80e157a653 100644
--- a/lib/sqlalchemy/dialects/postgresql/ranges.py
+++ b/lib/sqlalchemy/dialects/postgresql/ranges.py
@@ -174,7 +174,7 @@ class Range(Generic[_T]):
             # "Normalize" the two edges as '[)', to simplify successive logic
             if value1_is_lower_bound:
                 if not value1_inc:
-                    value1 -= step
+                    value1 += step
                     value1_inc = True
             else:
                 if value1_inc:
@@ -182,7 +182,7 @@ class Range(Generic[_T]):
                     value1_inc = False
             if value2_is_lower_bound:
                 if not value2_inc:
-                    value2 -= step
+                    value2 += step
                     value2_inc = True
             else:
                 if value2_inc:
-- 
2.47.3