diff --git a/pymbolic/interop/maxima.py b/pymbolic/interop/maxima.py
index e2daa468d353a743793abef32626cfe6f91602af..6ca16f3f0cf9e81dbb7eeb2bcfbc6bb830a3d1fa 100644
--- a/pymbolic/interop/maxima.py
+++ b/pymbolic/interop/maxima.py
@@ -270,9 +270,9 @@ class MaximaKernel:
 
     def _initialize(self):
 
-        PEXPECT_SHELL = "bash"
+        PEXPECT_SHELL = "bash"  # noqa
 
-        PRE_MAXIMA_COMMANDS = (
+        PRE_MAXIMA_COMMANDS = (  # noqa
             # Makes long line inputs possible.
             ("stty -icanon",)
         )