Raise excep

src/replacers/date_replacer.py

@@ -93,6 +93,8 @@ class DateReplacer(ReplacerInterface):
                             replacement.append(month_name)
                         elif entry[0] == DateDetection.AnnotationPart.OTHER:
                             replacement.append(entry[1])
+                        else:
+                            raise ValueError(f"Unknown format entry: {entry}")
 
                     replacement = "".join(replacement)
                     already_replaced[text[start:end]] = replacement