python3Packages.virtualenv-clone: use --replace-fail

if one of these fails, things are likely going to go wrong later down the line anyway

Author: jemand771

pkgs/development/python-modules/virtualenv-clone/default.nix

@@ -20,11 +20,11 @@ buildPythonPackage rec {
 
   postPatch = ''
     substituteInPlace tests/__init__.py \
-      --replace "'virtualenv'" "'${virtualenv}/bin/virtualenv'" \
-      --replace "'3.9', '3.10']" "'3.9', '3.10', '3.11', '3.12']" # if the Python version used isn't in this list, tests fail
+      --replace-fail "'virtualenv'" "'${virtualenv}/bin/virtualenv'" \
+      --replace-fail "'3.9', '3.10']" "'3.9', '3.10', '3.11', '3.12']" # if the Python version used isn't in this list, tests fail
 
     substituteInPlace tests/test_virtualenv_sys.py \
-      --replace "'virtualenv'" "'${virtualenv}/bin/virtualenv'"
+      --replace-fail "'virtualenv'" "'${virtualenv}/bin/virtualenv'"
   '';
 
   propagatedBuildInputs = [ virtualenv ];