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/pypdf3/default.nix

@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, glibcLocales
+, python
+, tqdm
+}:
+
+buildPythonPackage rec {
+  pname = "pypdf3";
+  version = "1.0.6";
+
+  src = fetchPypi {
+    pname = "PyPDF3";
+    inherit version;
+    sha256 = "sha256-yUbzJzQZ43JY415yJz9JkEqxVyPYenYcERXvmXmfjF8=";
+  };
+
+  LC_ALL = "en_US.UTF-8";
+  buildInputs = [ glibcLocales ];
+
+  checkPhase = ''
+    ${python.interpreter} -m unittest tests/*.py
+  '';
+
+  propagatedBuildInputs = [
+    tqdm
+  ];
+
+  meta = with lib; {
+    description = "A Pure-Python library built as a PDF toolkit";
+    homepage = "https://github.com/sfneal/PyPDF3";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ ambroisie ];
+  };
+}