Revert "remove args.n"

This reverts commit 5e9493d.

Author: Lioscro

.gitignore

@@ -104,4 +104,3 @@ venv.bak/
 # mypy
 .mypy_cache/
 .DS_Store
-.vscode

kb_python/main.py

@@ -204,6 +204,11 @@ def parse_ref(
         parser: The argument parser
         args: Parsed command-line arguments
     """
+    if args.n > 1:
+        logger.warning(
+            'Support for split indices (`-n`) will be deprecated in the next major release. '
+            'Please read the release notes on GitHub for more information. '
+        )
 
     if args.k is not None:
         if args.k < 0 or not args.k % 2:
@@ -255,6 +260,7 @@ def parse_ref(
             args.g,
             args.c1,
             args.c2,
+            n=args.n,
             k=args.k,
             flank=args.flank,
             include=include,
@@ -283,6 +289,7 @@ def parse_ref(
                 args.f1,
                 args.i,
                 args.g,
+                n=args.n,
                 k=args.k,
                 no_mismatches=args.no_mismatches,
                 overwrite=args.overwrite,
@@ -295,6 +302,7 @@ def parse_ref(
                 args.f1,
                 args.i,
                 args.g,
+                n=args.n,
                 k=args.k,
                 include=include,
                 exclude=exclude,