python3Packages.apipkg: disable several tests

pkgs/development/python-modules/apipkg/default.nix

@@ -1,5 +1,5 @@
 { stdenv, buildPythonPackage, fetchPypi
-, pytest, setuptools_scm }:
+, pytest, setuptools_scm, isPy3k }:
 
 buildPythonPackage rec {
   pname = "apipkg";
@@ -19,8 +19,18 @@ buildPythonPackage rec {
       --replace "py.test.ensuretemp('test_apipkg')" "py.path.local('test_apipkg')"
   '';
 
-  checkPhase = ''
-    py.test
+  # Failing tests on Python 3
+  # https://github.com/pytest-dev/apipkg/issues/17
+  checkPhase = let
+    disabledTests = stdenv.lib.optionals isPy3k [
+      "test_error_loading_one_element"
+      "test_aliasmodule_proxy_methods"
+      "test_eagerload_on_bython"
+    ];
+    testExpression = stdenv.lib.optionalString (disabledTests != [])
+    "-k 'not ${stdenv.lib.concatStringsSep " and not " disabledTests}'";
+  in ''
+    py.test ${testExpression}
   '';
 
   meta = with stdenv.lib; {