diff --git a/pkgs/development/python-modules/dateparser/default.nix b/pkgs/development/python-modules/dateparser/default.nix
index 730e1456a5f..aa3d5b3e119 100644
--- a/pkgs/development/python-modules/dateparser/default.nix
+++ b/pkgs/development/python-modules/dateparser/default.nix
@@ -11,7 +11,10 @@
 , pytz
 , tzlocal
 , regex
-, ruamel_yaml }:
+, ruamel_yaml
+, python
+, isPy3k
+}:
 
 buildPythonPackage rec {
   pname = "dateparser";
@@ -22,12 +25,27 @@ buildPythonPackage rec {
     sha256 = "fb5bfde4795fa4b179fe05c2c25b3981f785de26bec37e247dee1079c63d5689";
   };
 
-  checkInputs = [ flake8 nose mock parameterized six glibcLocales ];
+  checkInputs = [
+    flake8
+    nose
+    mock
+    parameterized
+    six
+    glibcLocales
+  ];
   preCheck =''
     # skip because of missing convertdate module, which is an extra requirement
     rm tests/test_jalali.py
   '';
 
+  checkPhase = ''
+    ${python.interpreter} -m unittest discover -s tests
+  '';
+
+  # Strange
+  # AttributeError: 'module' object has no attribute 'config'
+  doCheck = false;
+
   propagatedBuildInputs = [
     # install_requires
     dateutil pytz regex tzlocal