nix: use latest batsim and simgrid because the bug of issue#2 was fixed in simgrid-3.32

default.nix

@@ -44,27 +44,13 @@ let
       '';
     });
 
-    simgrid-pinned = kapack.simgrid.overrideAttrs(old: rec {
-      version = "e95fe51a7a87a360f8e6c1b27e14fbf60b0078b8";
-      src = kapack.pkgs.fetchgit rec {
-        url = "https://framagit.org/simgrid/simgrid.git";
-        rev = version;
-        sha256 = "1psksbw8kp3lxax0161sikk455svhabgby4xwbm5kj83ivlyrz8q";
-      };
-      patches = [];
-      doCheck = false;
-    });
-
-    batsim_sg-pinned = kapack.batsim.override { simgrid = simgrid-pinned; };
-    batsim_sg330 = kapack.batsim.override { simgrid = kapack.simgrid-330light; };
-
     # Batmen integration tests.
     test = pkgs.mkShell rec {
       shellHook = ''
         export PATH="./build:$PATH"
       '';
       buildInputs = with pythonPackages; [
-        batsim_sg330
+        batsim
         batexpe
         pytest 
         pytest-html # for html export of test results
@@ -74,11 +60,12 @@ let
 
     test_rebuild = pkgs.mkShell rec {
       buildInputs = with pythonPackages; [
-        batsim_sg330
         batmen 
+        batsim
         batexpe
         pytest 
         pytest-html
+        pandas
       ];
     };
   };