From cdbc30d3a8415d52950a4b70f8a17866189459df Mon Sep 17 00:00:00 2001
From: Shay <assetoverflow@icloud.com>
Date: Wed, 17 Jun 2026 18:07:26 -0700
Subject: [PATCH] chore(derivation): type unit partition solution step operand

---
 generate/math_solver.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/generate/math_solver.py b/generate/math_solver.py
index 33921624..c12fbee1 100644
--- a/generate/math_solver.py
+++ b/generate/math_solver.py
@@ -90,7 +90,7 @@ class SolutionStep:
     operation_kind: str
     pack_lemma_id: str
     actor: str
-    operand: "Quantity | Rate | Comparison"
+    operand: "Quantity | Rate | Comparison | PartitionChunk"
     target: str | None
     before_value: float
     after_value: float