symuid-import-itunes: show warning instead of raising ex if path not found

symuid-import-itunes

@@ -8,6 +8,7 @@ import mutagen.mp4
 import os
 import re
 import symuid.library.itunes
+import sys
 
 
 def generate_play_count_tag_label(player, library_id, reg_dt):
@@ -59,7 +60,7 @@ def symuid_import_itunes(xml_library_path, path_regex_sub):
             for pattern, repl in path_regex_sub:
                 track_path = re.sub(pattern, repl, track_path)
             if not os.path.exists(track_path):
-                raise ValueError(track_path)
+                sys.stderr.write('{!r}: not found\n'.format(track_path))
             else:
                 # TODO dt=dt.datetime.now()
                 set_play_count_tag(
@@ -93,5 +94,4 @@ def main(argv):
     return 0
 
 if __name__ == "__main__":
-    import sys
     sys.exit(main(sys.argv))