Merge pull request #8499 from radarhere/stub

Author: hugovk

Tests/test_file_bufrstub.py

@@ -83,4 +83,4 @@ def save(self, im: Image.Image, fp: IO[bytes], filename: str) -> None:
  im.save(temp_file)
  assert handler.saved
 
- BufrStubImagePlugin._handler = None
+ BufrStubImagePlugin.register_handler(None)

Tests/test_file_gribstub.py

@@ -83,4 +83,4 @@ def save(self, im: Image.Image, fp: IO[bytes], filename: str) -> None:
  im.save(temp_file)
  assert handler.saved
 
- GribStubImagePlugin._handler = None
+ GribStubImagePlugin.register_handler(None)

Tests/test_file_hdf5stub.py

@@ -85,4 +85,4 @@ def save(self, im: Image.Image, fp: IO[bytes], filename: str) -> None:
  im.save(temp_file)
  assert handler.saved
 
- Hdf5StubImagePlugin._handler = None
+ Hdf5StubImagePlugin.register_handler(None)