From 27728095b2110900ec48b5d7b01da1b2a8c8b183 Mon Sep 17 00:00:00 2001
From: Nao Pross <np@0hm.ch>
Date: Tue, 16 Apr 2024 21:06:20 +0200
Subject: Fix typing problem in ExpressionBaseMixin

---
 polymatrix/expression/mixins/expressionbasemixin.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/polymatrix/expression/mixins/expressionbasemixin.py b/polymatrix/expression/mixins/expressionbasemixin.py
index 06162ce..7f58339 100644
--- a/polymatrix/expression/mixins/expressionbasemixin.py
+++ b/polymatrix/expression/mixins/expressionbasemixin.py
@@ -1,9 +1,9 @@
 import abc
 
-from polymatrix.expressionstate.abc import ExpressionState
-from polymatrix.polymatrix.abc import PolyMatrix
+from polymatrix.expressionstate.mixins import ExpressionStateMixin
+from polymatrix.polymatrix.mixins import PolyMatrixMixin
 
 
 class ExpressionBaseMixin(abc.ABC):
     @abc.abstractmethod
-    def apply(self, state: ExpressionState) -> tuple[ExpressionState, PolyMatrix]: ...
+    def apply(self, state: ExpressionStateMixin) -> tuple[ExpressionStateMixin, PolyMatrixMixin]: ...
-- 
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