diff --git a/pytools/py_codegen.py b/pytools/py_codegen.py
index e2a51442bcf91e00eb7027013082cc3dc15118a3..b2a0ef70804697db19eefd79ec056a65e16ed669 100644
--- a/pytools/py_codegen.py
+++ b/pytools/py_codegen.py
@@ -76,8 +76,8 @@ class PythonCodeGenerator(object):
             if "\n" in s:
                 s = remove_common_indentation(s)
 
-            for l in s.split("\n"):
-                self.code.append(" "*(4*self.level) + l)
+            for line in s.split("\n"):
+                self.code.append(" "*(4*self.level) + line)
 
     def indent(self):
         self.level += 1