buildPython*: allow overriding strictDeps

pkgs/development/interpreters/python/mk-python-derivation.nix

@@ -33,6 +33,9 @@
 # DEPRECATED: use propagatedBuildInputs
 , pythonPath ? []
 
+# Enabled to detect some (native)BuildInputs mistakes
+, strictDeps ? true
+
 # used to disable derivation, useful for specific python versions
 , disabled ? false
 
@@ -87,8 +90,7 @@ let self = toPythonModule (python.stdenv.mkDerivation (builtins.removeAttrs attr
   # Propagate python and setuptools. We should stop propagating setuptools.
   propagatedBuildInputs = propagatedBuildInputs ++ [ python setuptools ];
 
-  # Enabled to detect some (native)BuildInputs mistakes
-  strictDeps = true;
+  inherit strictDeps;
 
   LANG = "${if python.stdenv.isDarwin then "en_US" else "C"}.UTF-8";