report: gdb: metap stats: rm dupl set(...) in collect_metap_prots in utils.py (issue #97)

workflow/scripts/utils.py

@@ -391,5 +391,5 @@ def collect_metap_prots(metap):
     metap_prots = set(metap["Main Accession"])
     # add: sec. accessions
     for i in metap.index:
-        metap_prots.update(set(set(proc_metap_sec_accs(metap.loc[i,"Secondary Accessions"], False))))
+        metap_prots.update(set(proc_metap_sec_accs(metap.loc[i,"Secondary Accessions"], False)))
     return metap_prots
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