diff --git a/pkgs/development/python-modules/backports_functools_lru_cache/default.nix b/pkgs/development/python-modules/backports_functools_lru_cache/default.nix
index b346b5c75030..8cb84c02b379 100644
--- a/pkgs/development/python-modules/backports_functools_lru_cache/default.nix
+++ b/pkgs/development/python-modules/backports_functools_lru_cache/default.nix
@@ -4,6 +4,9 @@
 , setuptools_scm
 , isPy3k
 , pytest
+, pytest-black
+, pytest-flake8
+, pytestcov
 }:
 
 buildPythonPackage rec {
@@ -15,12 +18,13 @@ buildPythonPackage rec {
     sha256 = "8fde5f188da2d593bd5bc0be98d9abc46c95bb8a9dde93429570192ee6cc2d4a";
   };
 
-  buildInputs = [ setuptools_scm ];
-
-  checkInputs = [ pytest ];
+  nativeBuildInputs = [ setuptools_scm ];
 
+  checkInputs = [ pytest pytest-flake8 pytest-black pytestcov ];
+  # ironically, they fail a linting test, and pytest.ini forces that test suite
   checkPhase = ''
-    pytest
+    rm backports/functools_lru_cache.py
+    pytest -k 'not format'
   '';
 
   # Test fail on Python 2
@@ -31,4 +35,4 @@ buildPythonPackage rec {
     homepage = https://github.com/jaraco/backports.functools_lru_cache;
     license = lib.licenses.mit;
   };
-}
\ No newline at end of file
+}