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/3.nix

@@ -0,0 +1,52 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchPypi
+, substituteAll
+, geos
+, gdal
+, asgiref
+, pytz
+, sqlparse
+, pythonOlder
+, withGdal ? false
+}:
+
+buildPythonPackage rec {
+  pname = "django";
+  version = "3.2.13";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    pname = "Django";
+    inherit version;
+    sha256 = "sha256-bZNJegqb9roOCxopzM3EDvv8dilyVbEwmzqISmiOxLY=";
+  };
+
+  patches = lib.optional withGdal
+    (substituteAll {
+      src = ./django_3_set_geos_gdal_lib.patch;
+      inherit geos;
+      inherit gdal;
+      extension = stdenv.hostPlatform.extensions.sharedLibrary;
+    });
+
+  propagatedBuildInputs = [
+    asgiref
+    pytz
+    sqlparse
+  ];
+
+  # too complicated to setup
+  doCheck = false;
+
+  pythonImportsCheck = [ "django" ];
+
+  meta = with lib; {
+    description = "A high-level Python Web framework";
+    homepage = "https://www.djangoproject.com/";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ georgewhewell ];
+  };
+}