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/psycopg2/default.nix

@@ -0,0 +1,47 @@
+{ stdenv
+, lib
+, buildPythonPackage
+, pythonOlder
+, isPyPy
+, fetchPypi
+, postgresql
+, openssl
+, sphinxHook
+, sphinx-better-theme
+}:
+
+buildPythonPackage rec {
+  pname = "psycopg2";
+  version = "2.9.3";
+  outputs = [ "out" "doc" ];
+
+  # Extension modules don't work well with PyPy. Use psycopg2cffi instead.
+  # c.f. https://github.com/NixOS/nixpkgs/pull/104151#issuecomment-729750892
+  disabled = pythonOlder "3.6" || isPyPy;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "8e841d1bf3434da985cc5ef13e6f75c8981ced601fd70cc6bf33351b91562981";
+  };
+
+  nativeBuildInputs = [
+    postgresql
+    sphinxHook
+    sphinx-better-theme
+  ];
+
+  buildInputs = lib.optionals stdenv.isDarwin [
+    openssl
+  ];
+
+  # requires setting up a postgresql database
+  doCheck = false;
+
+  sphinxRoot = "doc/src";
+
+  meta = with lib; {
+    description = "PostgreSQL database adapter for the Python programming language";
+    homepage = "https://www.psycopg.org";
+    license = with licenses; [ lgpl3 zpl20 ];
+  };
+}