Updated osxphotos/exiftool.py

osxphotos/exiftool.py

@@ -521,4 +521,4 @@ class _ExifToolCaching(ExifTool):
     def flush_cache(self):
         """Clear cached data so that calls to json or asdict return fresh data"""
         self._json_cache = None
-        self._asdict_cache = {}
+        self._asdict_cache = {}