python39Packages.Cython: minor formatting cleanups

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

@@ -12,8 +12,7 @@
 }:
 
 let
-  excludedTests = []
-    ++ [ "reimport_from_subinterpreter" ]
+  excludedTests = [ "reimport_from_subinterpreter" ]
     # cython's testsuite is not working very well with libc++
     # We are however optimistic about things outside of testsuite still working
     ++ lib.optionals (stdenv.cc.isClang or false) [ "cpdef_extern_func" "libcpp_algo" ]
@@ -36,9 +35,11 @@ in buildPythonPackage rec {
   nativeBuildInputs = [
     pkg-config
   ];
+
   checkInputs = [
     gdb numpy ncurses
   ];
+
   buildInputs = [ glibcLocales ];
   LC_ALL = "en_US.UTF-8";
 
@@ -71,9 +72,7 @@ in buildPythonPackage rec {
   # https://github.com/cython/cython/issues/2785
   # Temporary solution
   doCheck = false;
-
-#   doCheck = !stdenv.isDarwin;
-
+  # doCheck = !stdenv.isDarwin;
 
   meta = {
     description = "An optimising static compiler for both the Python programming language and the extended Cython programming language";