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-rw-r--r--python/fatcat_tools/importers/common.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/python/fatcat_tools/importers/common.py b/python/fatcat_tools/importers/common.py
index da611ecb..99c330a6 100644
--- a/python/fatcat_tools/importers/common.py
+++ b/python/fatcat_tools/importers/common.py
@@ -306,7 +306,7 @@ class EntityImporter:
self._issnl_id_map = dict()
self._orcid_id_map = dict()
- self._orcid_regex = re.compile("^\\d{4}-\\d{4}-\\d{4}-\\d{3}[\\dX]$")
+ self._orcid_regex = re.compile(r"^\d{4}-\d{4}-\d{4}-\d{3}[\dX]$")
self._doi_id_map = dict()
self._pmid_id_map = dict()