From 24e7b3304a8a6dd8404ae569346fa1b33f2e4755 Mon Sep 17 00:00:00 2001
From: "d.kovalenko" <dmitry.lipetsk@gmail.com>
Date: Mon, 23 Mar 2026 11:02:08 +0300
Subject: [PATCH] InvalidOperationException is updated (typing)

- source returns typing.Optional[str]
- __repr__ uses assert type(self) is InvalidOperationException
   - suppression of E721 is deleted
---
 src/exceptions.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/exceptions.py b/src/exceptions.py
index f745074..dccdba1 100644
--- a/src/exceptions.py
+++ b/src/exceptions.py
@@ -40,13 +40,13 @@ def message(self) -> str:
         return self._message
 
     @property
-    def source(self) -> str:
+    def source(self) -> typing.Optional[str]:
         assert self._source is None or type(self._source) is str
         return self._source
 
     def __repr__(self) -> str:
         # It must be overrided!
-        assert type(self) == InvalidOperationException  # noqa: E721
+        assert type(self) is InvalidOperationException
         r = "{}({}, {})".format(
             __class__.__name__,
             repr(self._message),