feat: add finally block to reset filter

Author: amustaque97

templates/python/package/utils/deprecated.py.twig

@@ -29,14 +29,16 @@ def deprecated(reason=None):
 
         @functools.wraps(func)
         def wrapped(*args, **kwargs):
-            warnings.simplefilter('always', DeprecationWarning)  # turn off filter
-            warnings.warn(
-                message,
-                category=DeprecationWarning,
-                stacklevel=2
-            )
-            warnings.simplefilter('default', DeprecationWarning)  # reset filter
-            return func(*args, **kwargs)
+            warnings.simplefilter('always', DeprecationWarning) # show warning every time
+            try:
+                warnings.warn(
+                    message,
+                    category=DeprecationWarning,
+                    stacklevel=2
+                )
+                return func(*args, **kwargs)
+            finally:
+                warnings.simplefilter('default', DeprecationWarning)  # reset filter
         return wrapped
 
     # Support both @deprecated and @deprecated("reason")