handle interpreter_path

Author: aignas

python/uv/private/lock.bzl

@@ -111,7 +111,10 @@ def _lock_impl(ctx):
 
     lock_args.add("--no-progress")
     lock_args.add("--quiet")
-    lock_args.add("--python", py_runtime.interpreter)
+    if py_runtime.interpreter:
+        lock_args.add("--python", py_runtime.interpreter)
+    else:
+        lock_args.add("--python", py_runtime.interpreter_path)
     lock_args.add_all(args)
     lock_args.add_all(srcs)