From 9a358fa289e87b849d08ead61a6dccabf5961121 Mon Sep 17 00:00:00 2001
From: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Date: Thu, 26 Mar 2026 18:12:32 +0200
Subject: [PATCH] PERF402 and fixes

---
 Tests/test_file_container.py | 4 +---
 pyproject.toml               | 1 +
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/Tests/test_file_container.py b/Tests/test_file_container.py
index 597ab5083..c73f2a40c 100644
--- a/Tests/test_file_container.py
+++ b/Tests/test_file_container.py
@@ -179,9 +179,7 @@ def test_iter(bytesmode: bool) -> None:
         container = ContainerIO.ContainerIO(fh, 0, 120)
 
         # Act
-        data = []
-        for line in container:
-            data.append(line)
+        data = list(container)
 
         # Assert
         if bytesmode:
diff --git a/pyproject.toml b/pyproject.toml
index ea43e9cb1..149dbbac5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -149,6 +149,7 @@ lint.select = [
   "PERF101", # perflint: unnecessary-list-cast
   "PERF102", # perflint: incorrect-dict-iterator
   "PERF401", # perflint: manual-list-comprehension
+  "PERF402", # perflint: manual-list-copy
   "PGH",     # pygrep-hooks
   "PIE",     # flake8-pie
   "PT",      # flake8-pytest-style