Fixed exceptions when closing AppendingTiffWriter

python-pillow · Jan 30, 2025 · d663404 · d663404
1 parent e4f2a4a
commit d663404
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Tests/test_file_tiff.py b/Tests/test_file_tiff.py
@@ -783,13 +783,17 @@ def test_appending_tiff_writer_writelong(self) -> None:
             a.writeLong(2**32 - 1)
             assert b.getvalue() == data + b"\xff\xff\xff\xff"
 
+            a.isFirst = True
+
     def test_appending_tiff_writer_rewritelastshorttolong(self) -> None:
         data = b"II\x2A\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         b = BytesIO(data)
         with TiffImagePlugin.AppendingTiffWriter(b) as a:
             a.rewriteLastShortToLong(2**32 - 1)
             assert b.getvalue() == data[:-2] + b"\xff\xff\xff\xff"
 
+            a.isFirst = True
+
     def test_saving_icc_profile(self, tmp_path: Path) -> None:
         # Tests saving TIFF with icc_profile set.
         # At the time of writing this will only work for non-compressed tiffs