fix launcher shell script to use correct names for ti and merge functions

installer/templates/invoke.sh.in

@@ -47,11 +47,11 @@ if [ "$0" != "bash" ]; then
             ;;
         3)
             echo "Starting Textual Inversion:"
-            exec textual_inversion --gui $@
+            exec invokeai-ti --gui $@
             ;;
         4)
             echo "Merging Models:"
-            exec merge_models --gui $@
+            exec invokeai-merge --gui $@
             ;;
         5)
             echo "Developer Console:"

ldm/invoke/merge_diffusers.py

@@ -7,6 +7,7 @@ Copyright (c) 2023 Lincoln Stein and the InvokeAI Development Team
 import argparse
 import os
 import sys
+import traceback
 from argparse import Namespace
 from pathlib import Path
 from typing import List, Union
@@ -372,7 +373,8 @@ def main():
             run_cli(args)
         print(f">> Conversion successful. New model is named {args.merged_model_name}")
     except Exception as e:
-        print(f"** An error occurred while merging the pipelines: {str(e)}")
+        print(">> An error occurred:")
+        traceback.print_exc()
         sys.exit(-1)
     except KeyboardInterrupt:
         sys.exit(-1)