Do not assign new fp attribute to image when closing

Tests/test_image.py

@@ -1027,7 +1027,6 @@ class TestImage:
 
             assert len(self._caplog.records) == 0
             assert im.fp is None
-            assert copy.fp is None
 
 
 class MockEncoder:

src/PIL/Image.py

@@ -549,8 +549,8 @@ class Image:
         :py:meth:`~PIL.Image.Image.load` method. See :ref:`file-handling` for
         more information.
         """
-        try:
         if hasattr(self, "fp"):
+            try:
                 if getattr(self, "_fp", False):
                     if self._fp != self.fp:
                         self._fp.close()