From 3e49987c6854aa8a0404ee039ef19f02e0895e65 Mon Sep 17 00:00:00 2001
From: Fabian <fab.hof@gmx.de>
Date: Fri, 15 Nov 2024 16:25:24 +0100
Subject: [PATCH] fix: correctly pass `slice_size` argument

---
 doc/release_notes.rst | 5 +++++
 linopy/model.py       | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index 69564ac6..6447e6a3 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -4,6 +4,11 @@ Release Notes
 .. Upcoming Version
 .. ----------------
 
+Version 0.4.1
+--------------
+
+* Fix the `slice_size` argument in the `solve` function. The argument was not properly passed to the `to_file` function.
+
 Version 0.4.0
 --------------
 
diff --git a/linopy/model.py b/linopy/model.py
index 160a16e3..bb9b41ee 100644
--- a/linopy/model.py
+++ b/linopy/model.py
@@ -1124,7 +1124,9 @@ def solve(
                     env=env,
                 )
             else:
-                problem_fn = self.to_file(to_path(problem_fn), io_api)
+                problem_fn = self.to_file(
+                    to_path(problem_fn), io_api, slice_size=slice_size
+                )
                 result = solver.solve_problem_from_file(
                     problem_fn=to_path(problem_fn),
                     solution_fn=to_path(solution_fn),