From fac8ea78def6cc2777fa6e27b26b374046621a40 Mon Sep 17 00:00:00 2001
From: Gil Forcada <gil.gnome@gmail.com>
Date: Thu, 16 Apr 2020 14:25:32 +0200
Subject: [PATCH] fix: a list comprehension is always a list

Reported by @Zac-HD https://github.com/gforcada/flake8-builtins/pull/46#discussion_r405291970
---
 run_tests.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/run_tests.py b/run_tests.py
index 79a05a5..3ee8091 100644
--- a/run_tests.py
+++ b/run_tests.py
@@ -579,4 +579,5 @@ def test_builtin_works_on_many_examples(source_code):
             raise
         tree = ast.parse(source)
         checker = BuiltinsChecker(tree, '/home/script.py')
-        assert isinstance([c for c in checker.run()], list)
+        for c in checker.run():
+            assert isinstance(c, list)