Updated project serialzier

Author: VaghinakDev

pytest.ini

@@ -3,5 +3,5 @@ minversion = 3.7
 log_cli=true
 python_files = test_*.py
 ;pytest_plugins = ['pytest_profiling']
-;addopts = -n auto --dist=loadscope
+addopts = -n auto --dist=loadscope
 

src/superannotate/lib/app/serializers.py

@@ -122,7 +122,10 @@ def serialize(
         if exclude:
             for field in exclude:
                 to_exclude[field] = True
-
+        if self._entity.classes:
+            self._entity.classes = [
+                i.dict(by_alias=True, exclude_unset=True) for i in self._entity.classes
+            ]
         data = super().serialize(fields, by_alias, flat, to_exclude)
         if data.get("settings"):
             data["settings"] = [