diff --git a/src/escpos/escpos.py b/src/escpos/escpos.py
index c6fe4fe..bac1910 100644
--- a/src/escpos/escpos.py
+++ b/src/escpos/escpos.py
@@ -697,8 +697,8 @@ class Escpos(object):
         else:
             try:
                 self._raw(CD_KICK_DEC_SEQUENCE(*pin))
-            except TypeError as e:
-                raise CashDrawerError(e)
+            except TypeError as err:
+                raise CashDrawerError(err)
 
     def linedisplay_select(self, select_display=False):
         """ Selects the line display or the printer