From 81028f9a352d2de4186a9bcc46fac0bd002d3536 Mon Sep 17 00:00:00 2001
From: Patrick Kanzler <dev@pkanzler.de>
Date: Mon, 30 Jan 2017 02:16:22 +0100
Subject: [PATCH] refactor not ... in to ... not in ...

---
 src/escpos/magicencode.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/escpos/magicencode.py b/src/escpos/magicencode.py
index 9c71ea0..a989118 100644
--- a/src/escpos/magicencode.py
+++ b/src/escpos/magicencode.py
@@ -58,7 +58,7 @@ class Encoder(object):
         TODO: Support encoding aliases: pc437 instead of cp437.
         """
         encoding = CodePages.get_encoding_name(encoding)
-        if not encoding in self.codepages:
+        if encoding not in self.codepages:
             raise ValueError((
                 'Encoding "{}" cannot be used for the current profile. '
                 'Valid encodings are: {}'