From 9bd37f9f317d307eaaa4227bb4f67827a151cc60 Mon Sep 17 00:00:00 2001
From: Alexander Rodionov <tandav@tandav.me>
Date: Sat, 3 Aug 2024 17:07:50 +0300
Subject: [PATCH] fix Note.__lt__

---
 src/musiclib/note.py | 4 ++--
 tests/note_test.py   | 7 +++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/musiclib/note.py b/src/musiclib/note.py
index 3f8fa070..e89f13ec 100644
--- a/src/musiclib/note.py
+++ b/src/musiclib/note.py
@@ -37,9 +37,9 @@ def __eq__(self, other: object) -> bool:
 
     def __lt__(self, other: object) -> bool:
         if isinstance(other, str):
-            return self.i <= _note_i[other]
+            return self.i < _note_i[other]
         if isinstance(other, Note):
-            return self.i <= other.i
+            return self.i < other.i
         raise TypeError
 
     def __hash__(self) -> int:
diff --git a/tests/note_test.py b/tests/note_test.py
index d4217091..353b62c3 100644
--- a/tests/note_test.py
+++ b/tests/note_test.py
@@ -60,6 +60,13 @@ def test_ordering(op, a, b):
     assert op(a, b)
 
 
+def test_ordering_lt():
+    assert not Note('C') < Note('C')
+    assert not Note('C') > Note('C')
+    assert Note('C') <= Note('C')
+    assert Note('C') >= Note('C')
+
+
 def test_note_sub():
     assert Note('C') - Note('C') == AbstractInterval(0)
     assert Note('G') - Note('C') == AbstractInterval(7)