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/pysnmp/default.nix

@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pyasn1
+, pycryptodomex
+, pysmi
+}:
+
+buildPythonPackage rec {
+  pname = "pysnmp";
+  version = "4.4.12";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1acbfvpbr45i137s00mbhh21p71ywjfw3r8z0ybcmjjqz7rbwg8c";
+  };
+
+  patches = [ ./setup.py-Fix-the-setuptools-version-check.patch ];
+
+  # NameError: name 'mibBuilder' is not defined
+  doCheck = false;
+
+  propagatedBuildInputs = [ pyasn1 pycryptodomex pysmi ];
+
+  meta = with lib; {
+    homepage = "http://snmplabs.com/pysnmp/index.html";
+    description = "A pure-Python SNMPv1/v2c/v3 library";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ primeos koral ];
+  };
+}