diff --git a/pkgs/development/python-modules/pytest-isort/default.nix b/pkgs/development/python-modules/pytest-isort/default.nix
new file mode 100644
index 000000000000..c1866f174ea2
--- /dev/null
+++ b/pkgs/development/python-modules/pytest-isort/default.nix
@@ -0,0 +1,23 @@
+{ lib, buildPythonPackage, fetchPypi, pytestcache, pytest, isort }:
+
+buildPythonPackage rec {
+  pname = "pytest-isort";
+  version = "0.1.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "e92798127e21d22513c62070989f0fb3b712650e48a4db13e5b8e8034d367cfe";
+  };
+
+  propagatedBuildInputs = [ pytestcache pytest isort ];
+
+  # no tests in PyPI tarball, no tags on GitHub
+  # https://github.com/moccu/pytest-isort/pull/8
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Pytest plugin to perform isort checks (import ordering)";
+    homepage = https://github.com/moccu/pytest-isort/;
+    license = licenses.bsd3;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ea14a6ffa171..15a6f5a15480 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1942,6 +1942,8 @@ in {
 
   pytestflakes = callPackage ../development/python-modules/pytest-flakes { };
 
+  pytest-isort = callPackage ../development/python-modules/pytest-isort { };
+
   pytest-mock = callPackage ../development/python-modules/pytest-mock { };
 
   pytest-timeout = callPackage ../development/python-modules/pytest-timeout { };