python: pbr: 4.0.1 -> 4.0.2

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

···
 
 buildPythonPackage rec {
   pname = "pbr";
-  version = "4.0.1";
+  version = "4.0.2";
   name = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "56b7a8ba7d64bf6135a9dfefb85a80d95924b3fde5ed6343a1a1d464a040dae3";
+    sha256 = "dae4aaa78eafcad10ce2581fc34d694faa616727837fd8e55c1a00951ad6744f";
   };
 
   # circular dependencies with fixtures