diff options
| -rw-r--r-- | python/fatcat_tools/importers/pubmed.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/python/fatcat_tools/importers/pubmed.py b/python/fatcat_tools/importers/pubmed.py index 1246bf6b..9a9849ed 100644 --- a/python/fatcat_tools/importers/pubmed.py +++ b/python/fatcat_tools/importers/pubmed.py @@ -401,8 +401,10 @@ class PubmedImporter(EntityImporter): release_type = "retraction" retraction_of = medline.find("CommentsCorrections", RefType="RetractionOf") if retraction_of: - extra_pubmed['retraction_of_raw'] = retraction_of.RefSource.string - extra_pubmed['retraction_of_pmid'] = retraction_of.PMID.string + if retraction_of.RefSource: + extra_pubmed['retraction_of_raw'] = retraction_of.RefSource.string + if retraction_of.PMID: + extra_pubmed['retraction_of_pmid'] = retraction_of.PMID.string # everything in medline is published release_stage = "published" |