From 1139d163183cc77119122c958981248c572b655c Mon Sep 17 00:00:00 2001
From: Frank Hoffmann <15r10nk-git@polarbit.de>
Date: Wed, 23 Oct 2024 20:55:15 +0200
Subject: [PATCH] fix: some fixes

---
 requirements.txt                        | 2 +-
 setup.cfg                               | 3 +++
 src/inline_snapshot/_inline_snapshot.py | 2 ++
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index c7ffe581..0054d4d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 
-.
+-e ./mutants
 dirty-equals>=0.7.0
 hypothesis>=6.75.5
 mypy>=1.2.0
diff --git a/setup.cfg b/setup.cfg
index fb271e2a..0fa63cd6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,3 +1,6 @@
 [mutmut]
 also_copy=
       src/inline_snapshot/py.typed
+      conftest.py
+      pyproject.toml
+      README.md
diff --git a/src/inline_snapshot/_inline_snapshot.py b/src/inline_snapshot/_inline_snapshot.py
index 21dd39c1..bb7f77ce 100644
--- a/src/inline_snapshot/_inline_snapshot.py
+++ b/src/inline_snapshot/_inline_snapshot.py
@@ -571,11 +571,13 @@ def snapshot(obj: Any = undefined) -> Any:
     assert frame is not None
     frame = frame.f_back
     while "mutmut" in frame.f_code.co_name:
+        assert frame is not None
         frame = frame.f_back
 
     assert frame is not None
     frame = frame.f_back
     while "mutmut" in frame.f_code.co_name:
+        assert frame is not None
         frame = frame.f_back
     assert frame is not None