update: cleanup

Author: VsevolodX

src/py/mat3ra/code/entity.py

@@ -94,6 +94,16 @@ class InMemoryEntitySnakeCase(InMemoryEntityPydantic):
         populate_by_name=True,
     )
 
+    @staticmethod
+    def _create_property(camel_name: str):
+        def getter(self):
+            return getattr(self, camel_name)
+
+        def setter(self, value: Any):
+            setattr(self, camel_name, value)
+
+        return property(getter, setter)
+
     def __init_subclass__(cls, **kwargs):
         super().__init_subclass__(**kwargs)
         if not issubclass(cls, BaseModel):
@@ -112,16 +122,7 @@ def __init_subclass__(cls, **kwargs):
             if hasattr(cls, snake_case_name):
                 continue
 
-            def create_property(camel_name: str):
-                def getter(self):
-                    return getattr(self, camel_name)
-
-                def setter(self, value: Any):
-                    setattr(self, camel_name, value)
-
-                return property(getter, setter)
-
-            setattr(cls, snake_case_name, create_property(field_name))
+            setattr(cls, snake_case_name, cls._create_property(field_name))
 
 
 # TODO: remove in the next PR