io.flashlfq: Fix writing PSMs without protein accession

compomics · Sep 10, 2024 · 27d66f2 · 27d66f2
1 parent 5eae580
commit 27d66f2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/psm_utils/io/flashlfq.py b/psm_utils/io/flashlfq.py
@@ -224,5 +224,5 @@ def _psm_to_entry(psm: PSM) -> dict:
             "Peptide Monoisotopic Mass": f"{psm.peptidoform.theoretical_mass:.6f}",
             "Scan Retention Time": psm.retention_time,
             "Precursor Charge": psm.peptidoform.precursor_charge,
-            "Protein Accession": ";".join(psm.protein_list),
+            "Protein Accession": ";".join(psm.protein_list) if psm.protein_list else None,
         }