From 9345777d34b7ddb2e1669e711c2aded4a3939c07 Mon Sep 17 00:00:00 2001
From: Michael Jarrett <mjarrett@terrapower.com>
Date: Thu, 6 Feb 2025 12:32:36 -0800
Subject: [PATCH] Address linting errors.

---
 armi/reactor/tests/test_components.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/armi/reactor/tests/test_components.py b/armi/reactor/tests/test_components.py
index 938dbd86c..11aad2ff5 100644
--- a/armi/reactor/tests/test_components.py
+++ b/armi/reactor/tests/test_components.py
@@ -53,9 +53,18 @@
 
 
 class CompositionDependentExpander(materials.Material):
+    """Dummy material that has a composition-dependent thermal expansion coefficient."""
+
     def linearExpansionPercent(self, Tk: float = None, Tc: float = None) -> float:
         """
-        Dummy material that has a composition-dependent thermal expansion coefficient
+        Composition-dependent linear expansion coefficient.
+
+        Parameters
+        ----------
+        Tk : float, optional
+            Temperature in Kelvin.
+        Tc : float, optional
+            Temperature in Celsius.
         """
         alpha = 1.0e-5
         beta = 1.0e-5 * self.parent.getMassFrac("C")