Removed legacy Py2 code

heuer · Feb 10, 2024 · 1bf5064 · 1bf5064
1 parent 619d3da
commit 1bf5064
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/segno/writers.py b/segno/writers.py
@@ -512,9 +512,7 @@ def chunk(name, data):
         Returns a PNG chunk with checksum.
         """
         chunk_head = name + data
-        # See <https://docs.python.org/2/library/zlib.html#zlib.crc32>
-        # why crc32() & 0xFFFFFFFF is necessary
-        return pack(b'>I', len(data)) + chunk_head + pack(b'>I', zlib.crc32(chunk_head) & 0xFFFFFFFF)
+        return pack(b'>I', len(data)) + chunk_head + pack(b'>I', zlib.crc32(chunk_head))
 
     def scale_row_x_axis(row):
         """\