diff --git a/pkgs/development/python-modules/flake8-future-import/default.nix b/pkgs/development/python-modules/flake8-future-import/default.nix
index f00c1fe2166..2ece8ba85ab 100644
--- a/pkgs/development/python-modules/flake8-future-import/default.nix
+++ b/pkgs/development/python-modules/flake8-future-import/default.nix
@@ -1,4 +1,5 @@
-{ lib, fetchFromGitHub, buildPythonPackage, python, flake8, six }:
+{ lib, fetchFromGitHub, buildPythonPackage, python, flake8, six,
+  fetchurl }:
 
 buildPythonPackage rec {
   pname = "flake8-future-import";
@@ -11,6 +12,17 @@ buildPythonPackage rec {
     rev = version;
     sha256 = "0622bdcfa588m7g8igag6hf4rhjdwh74yfnrjwlxw4vlqhg344k4";
   };
+
+  patches = [
+    # Tests in 0.4.3 are broken. We can remove this patch after
+    # the next release.
+    (fetchurl {
+      url = "https://github.com/xZise/flake8-future-import/commit/b4f5a06b22c574fb5270574d1420715667768d5c.patch";
+      sha256 = "06n9ggz9p9kiwjb3vmaj44pm5vi4nhgzjfn7i730m85xn67xzmyn";
+    })
+  ];
+
+
   propagatedBuildInputs = [ flake8 six ];
   meta = {
     homepage = https://github.com/xZise/flake8-future-import;