diff --git a/pkgs/development/python-modules/smpplib/default.nix b/pkgs/development/python-modules/smpplib/default.nix
index 474120bcd872..a71d3d6bd3d4 100644
--- a/pkgs/development/python-modules/smpplib/default.nix
+++ b/pkgs/development/python-modules/smpplib/default.nix
@@ -1,4 +1,11 @@
-{ buildPythonPackage, fetchPypi, lib, python, six, mock, pytestCheckHook }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, python
+, six
+, mock
+, pytestCheckHook
+}:
 
 buildPythonPackage rec {
   pname = "smpplib";
@@ -9,17 +16,27 @@ buildPythonPackage rec {
     sha256 = "c0b01947b47e404f42ccb59e906b6e4eb507963c971d59b44350db0f29c76166";
   };
 
-  propagatedBuildInputs = [ six ];
-  checkInputs = [ mock pytestCheckHook ];
+  propagatedBuildInputs = [
+    six
+  ];
+
+  checkInputs = [
+    mock
+    pytestCheckHook
+  ];
 
   postInstall = ''
     rm -rf $out/${python.sitePackages}/tests
   '';
 
+  pythonImportsCheck = [
+    "smpplib"
+  ];
+
   meta = with lib; {
     description = "SMPP library for Python";
     homepage = "https://github.com/python-smpplib/python-smpplib";
     license = licenses.lgpl3Plus;
-    maintainers = [ maintainers.globin ];
+    maintainers = with maintainers; [ globin ];
   };
 }