Make sure renaming runless_file fails if targets is out of sync (to b…

…etter reveal any bugs)

bidscoin/bids.py

@@ -2004,7 +2004,7 @@ def increment_runindex(outfolder: Path, bidsname: str, run: Run, targets: set=()
             LOGGER.verbose(f"Found run-2 files for <<>> index, renaming\n{runless_file} -> {run1_name}")
             run1_file = (outfolder/run1_name).with_suffix(''.join(runless_file.suffixes))
             runless_file.replace(run1_file)
-            if runless_file in targets:
+            if isinstance(targets, set):
                 targets.remove(runless_file)
                 targets.add(run1_file)