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/ldappool/default.nix

@@ -0,0 +1,32 @@
+{ lib, buildPythonPackage, fetchPypi
+, pbr, ldap, prettytable, fixtures, testresources, testtools }:
+
+buildPythonPackage rec {
+  pname = "ldappool";
+  version = "3.0.0";
+
+  src = fetchPypi {
+    pname = "ldappool";
+    inherit version;
+    sha256 = "4bb59b7d6b11407f48ee01a781267e3c8ba98d91f426806ac7208612ae087b86";
+  };
+
+  postPatch = ''
+    # Tests run without most of the dependencies
+    echo "" > test-requirements.txt
+    # PrettyTable is now maintained again
+    substituteInPlace requirements.txt --replace "PrettyTable<0.8,>=0.7.2" "PrettyTable"
+  '';
+
+  nativeBuildInputs = [ pbr ];
+
+  propagatedBuildInputs = [ ldap prettytable ];
+
+  checkInputs = [ fixtures testresources testtools ];
+
+  meta = with lib; {
+    description = "A simple connector pool for python-ldap";
+    homepage = "https://opendev.org/openstack/ldappool/";
+    license = with licenses; [ mpl11 lgpl21Plus gpl2Plus ];
+  };
+}