uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/django-auth-ldap/default.nix

@@ -0,0 +1,58 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPy27
+
+# buildtime
+, setuptools-scm
+
+# runtime
+, ldap
+, django
+
+# tests
+, python
+, pkgs
+}:
+
+buildPythonPackage rec {
+  pname = "django-auth-ldap";
+  version = "4.1.0";
+  format = "pyproject";
+
+  disabled = isPy27;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-d/dJ07F4B86OtWqcnI5XRv8xZWf4HVumE0ldnHSVqUk=";
+  };
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    django
+    ldap
+  ];
+
+  # ValueError: SCHEMADIR is None, ldap schemas are missing.
+  doCheck = false;
+
+  checkPhase = ''
+    runHook preCheck
+    export PATH=${pkgs.openldap}/bin:${pkgs.openldap}/libexec:$PATH
+    ${python.interpreter} -m django test --settings tests.settings
+    runHook postCheck
+  '';
+
+  pythonImportsCheck = [ "django_auth_ldap" ];
+
+  meta = with lib; {
+    description = "Django authentication backend that authenticates against an LDAP service";
+    homepage = "https://github.com/django-auth-ldap/django-auth-ldap";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ mmai ];
+    platforms = platforms.linux;
+  };
+}