diff --git a/pkgs/development/python-modules/requests-file/default.nix b/pkgs/development/python-modules/requests-file/default.nix
index fb375fd501a..374627a1bb9 100644
--- a/pkgs/development/python-modules/requests-file/default.nix
+++ b/pkgs/development/python-modules/requests-file/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchPypi, buildPythonPackage, requests, six }:
+{ lib, fetchPypi, buildPythonPackage, pytestCheckHook, requests, six }:
 
 buildPythonPackage rec {
   pname   = "requests-file";
@@ -11,6 +11,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ requests six ];
 
+  checkInputs = [ pytestCheckHook ];
+
   meta = {
     homepage = "https://github.com/dashea/requests-file";
     description = "Transport adapter for fetching file:// URLs with the requests python library";