python3Packages.gprof2dot: 201.11.30 -> 2021.02.21

Also add graphviz as runtime dependency, and change tests to test script in $out

pkgs/development/python-modules/gprof2dot/default.nix

···
-{ lib, fetchFromGitHub, buildPythonApplication, python, graphviz }:
+{ lib
+, fetchFromGitHub
+, buildPythonApplication
+, python
+, graphviz
+}:
 
 buildPythonApplication rec {
   pname = "gprof2dot";
-  version = "2019.11.30";
+  version = "2021.02.21";
 
   src = fetchFromGitHub {
     owner = "jrfonseca";
     repo = "gprof2dot";
     rev = version;
-    sha256 = "1nw4cfwimd0djarw4wc756q095xir78js8flmycg6g7sl3l6p27s";
+    sha256 = "1jjhsjf5fdi1fkn7mvhnzkh6cynl8gcjrygd3cya5mmda3akhzic";
   };
 
+  makeWrapperArgs = [
+    "--prefix PATH : ${lib.makeBinPath [ graphviz ]}"
+  ];
+
+  # Needed so dot is on path of the test script
   checkInputs = [ graphviz ];
-  checkPhase = "${python.interpreter} tests/test.py";
+
+  checkPhase = ''
+    runHook preCheck
+
+    # if options not specified, will use unwrapped gprof2dot from original source
+    ${python.interpreter} tests/test.py --python bash --gprof2dot $out/bin/gprof2dot
+
+    runHook postCheck
+  '';
 
   meta = with lib; {
     homepage = "https://github.com/jrfonseca/gprof2dot";