Migrate imports to SYS package (pipeline/result_table) and update related imports

cmdlet/merge_file.py

@@ -26,7 +26,7 @@ normalize_result_input = sh.normalize_result_input
 parse_cmdlet_args = sh.parse_cmdlet_args
 should_show_help = sh.should_show_help
 
-import pipeline as ctx
+from SYS import pipeline as ctx
 
 try:
     from pypdf import PdfWriter, PdfReader
@@ -38,7 +38,7 @@ except ImportError:
     PdfReader = None
 
 try:
-    from metadata import (
+    from SYS.metadata import (
         read_tags_from_file,
         merge_multiple_tag_lists,
     )