Add if

src/replacers/date_replacer.py

@@ -95,11 +95,12 @@ class DateReplacer(ReplacerInterface):
                             month_name = months_map[random_month]
                             replacement.append(month_name)
                         elif entry[0] == DateDetection.AnnotationPart.OTHER:
-                            replacement.append(entry[1])
+                            if entry[1] is not None:
+                                replacement.append(entry[1])
                         else:
                             raise ValueError(f"Unknown format entry: {entry}")
                         _log.debug(f"entry {entry} replacement: {replacement[-1]}")
-
+                    _log.debug(f"replacement: {replacement}")
                     replacement = "".join(replacement)
                     already_replaced[text[start:end]] = replacement