fixes

dios @ d5a80af4

-Subproject commit 20321d9d8ce7c9a0eaedcd581c87773b1e59db70
+Subproject commit d5a80af469c0540c91e5b4ddd1c0327b11a0d214

saqc/flagger/baseflagger.py

@@ -43,7 +43,7 @@ class BaseFlagger(ABC):
 
     @property
     def flags(self):
-        return self._flags
+        return self._flags.copy()
 
     def initFlags(self, data: diosT = None, flags: diosT = None) -> BaseFlaggerT:
         """