update from True to False in assert in inverse_estimation.py

quantus/metrics/inverse_estimation.py

@@ -241,7 +241,7 @@ def __call__(
             a_batch is not None
         ), "'a_batch' must be provided to run the inverse estimation."
 
-        assert self.metric_init.abs == True, (
+        assert self.metric_init.abs == False, (
             "To run the inverse estimation, you cannot set 'a_batch' to "
             "have positive attributions only. Set 'abs' param of the metric init to 'False'."
         )