python310Packages.m2r: adopt, run tests

pkgs/development/python-modules/m2r/default.nix

@@ -1,5 +1,11 @@
-{ lib, buildPythonPackage, fetchPypi,
-  mistune, docutils } :
+{ lib
+, buildPythonPackage
+, fetchPypi
+, docutils
+, mistune
+, pygments
+}:
+
 buildPythonPackage rec {
   pname = "m2r";
   version = "0.2.1";
@@ -9,16 +15,19 @@ buildPythonPackage rec {
     sha256 = "bf90bad66cda1164b17e5ba4a037806d2443f2a4d5ddc9f6a5554a0322aaed99";
   };
 
+  postPatch = ''
+    substituteInPlace tests/test_cli.py \
+      --replace "optional" "positional"
+  '';
+
   propagatedBuildInputs = [ mistune docutils ];
 
-  # Some tests interfeere with each other (test.md and test.rst are
-  # deleted by some tests and not properly regenerated)
-  doCheck = false;
+  checkInputs = [ pygments ];
 
   meta = with lib; {
     homepage = "https://github.com/miyakogi/m2r";
-    description = "converts a markdown file including reST markups to a valid reST format";
+    description = "Markdown to reStructuredText converter";
     license = licenses.mit;
-    maintainers = [ ];
+    maintainers = with maintainers; [ SuperSandro2000 ];
   };
 }