pythonPackages.isort: 4.2.5 -> 4.3.4

pkgs/development/python-modules/isort/default.nix

@@ -0,0 +1,28 @@
+{ lib, buildPythonPackage, fetchPypi, isPy27, futures, mock, pytest }:
+
+buildPythonPackage rec {
+  pname = "isort";
+  version = "4.3.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1y0yfv56cqyh9wyg7kxxv9y5wmfgcq18n7a49mp7xmzka2bhxi5r";
+  };
+
+  propagatedBuildInputs = lib.optional isPy27 futures;
+
+  checkInputs = [ mock pytest ];
+
+  checkPhase = ''
+    py.test test_isort.py -k "not test_long_line_comments \
+                          and not test_import_case_produces_inconsistent_results_issue_472 \
+                          and not test_no_extra_lines_issue_557"
+  '';
+
+  meta = with lib; {
+    description = "A Python utility / library to sort Python imports";
+    homepage = https://github.com/timothycrosley/isort;
+    license = licenses.mit;
+    maintainers = with maintainers; [ couchemar nand0p ];
+  };
+}