Fix

Author: Fokko

pyiceberg/manifest.py

@@ -985,12 +985,12 @@ def _inherit_from_manifest(entry: ManifestEntry, manifest: ManifestFile) -> Mani
 
     # in v1 tables, the sequence number is not persisted and can be safely defaulted to 0
     # in v2 tables, the sequence number should be inherited iff the entry status is ADDED
-    if entry.sequence_number is None and (manifest.sequence_number == 0 or entry.status == ManifestEntryStatus.ADDED):
+    if entry.sequence_number == 0 and (manifest.sequence_number == 0 or entry.status == ManifestEntryStatus.ADDED):
         entry.sequence_number = manifest.sequence_number
 
     # in v1 tables, the file sequence number is not persisted and can be safely defaulted to 0
     # in v2 tables, the file sequence number should be inherited iff the entry status is ADDED
-    if entry.file_sequence_number is None and (manifest.sequence_number == 0 or entry.status == ManifestEntryStatus.ADDED):
+    if entry.file_sequence_number == 0 and (manifest.sequence_number == 0 or entry.status == ManifestEntryStatus.ADDED):
         # Only available in V2, always 0 in V1
         entry.file_sequence_number = manifest.sequence_number