Add overrides removing LICENSE files

They lead to collisions.

Probably there should be some cleanup for these kind of files? cc @FRidh

overrides.nix

@@ -298,6 +298,14 @@ in
     }
   );
 
+  pytest-datadir = super.pytest-datadir.overrideAttrs (
+    old: {
+      postInstall = ''
+        rm -f $out/LICENSE
+      '';
+    }
+  );
+
   python-prctl = super.python-prctl.overrideAttrs (
     old: {
       buildInputs = old.buildInputs ++ [
@@ -345,6 +353,14 @@ in
     }
   );
 
+  vose-alias-method = super.pytest-datadir.overrideAttrs (
+    old: {
+      postInstall = ''
+        rm -f $out/LICENSE
+      '';
+    }
+  );
+
   # Stop infinite recursion by using bootstrapped pkg from nixpkgs
   wheel = (
     pkgs.python3.pkgs.override {