Fix _dict_from_slots, solves Path comparison

AUTHORS.md

@@ -63,3 +63,4 @@ Authors in order of the timeline of their contributions:
 - [sf-tcalhoun](https://github.com/sf-tcalhoun) for fixing "Instantiating a Delta with a flat_dict_list unexpectedly mutates the flat_dict_list"
 - [dtorres-sf](https://github.com/dtorres-sf) for fixing iterable moved items when iterable_compare_func is used.
 - [Florian Finkernagel](https://github.com/TyberiusPrime) for pandas and polars support.
+- Mathis Chenuet [artemisart](https://github.com/artemisart) for fixing slots classes comparison.

deepdiff/diff.py

@@ -421,7 +421,7 @@ def unmangle(attribute):
                 else:
                     all_slots.extend(slots)
 
-        return {i: getattr(object, unmangle(i)) for i in all_slots}
+        return {i: getattr(object, key) for i in all_slots if hasattr(object, key := unmangle(i))}
 
     def _diff_enum(self, level, parents_ids=frozenset(), local_tree=None):
         t1 = detailed__dict__(level.t1, include_keys=ENUM_INCLUDE_KEYS)

tests/test_diff_text.py

@@ -1713,7 +1713,7 @@ def __str__(self):
         t2 = Bad()
 
         ddiff = DeepDiff(t1, t2)
-        result = {'unprocessed': ['root: Bad Object and Bad Object']}
+        result = {}
         assert result == ddiff
 
     def test_dict_none_item_removed(self):