From aec1648ae73ef4c0552cfdd072fe3f51af5f642b Mon Sep 17 00:00:00 2001
From: Roman Zeyde <roman.zeyde@gmail.com>
Date: Wed, 1 Jul 2015 14:23:16 +0300
Subject: [PATCH] __main__: fix PEP8

---
 amodem/__main__.py | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/amodem/__main__.py b/amodem/__main__.py
index a5e857c..8541aeb 100644
--- a/amodem/__main__.py
+++ b/amodem/__main__.py
@@ -180,6 +180,14 @@ def create_parser(description, interface_factory):
     return p
 
 
+class _Dummy(object):
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        pass
+
+
 def _main():
     fmt = ('Audio OFDM MODEM v{0:s}: '
            '{1:.1f} kb/s ({2:d}-QAM x {3:d} carriers) '
@@ -219,12 +227,7 @@ def _main():
         from . import alsa
         interface = alsa.Interface(config)
     elif args.audio_library == '-':
-        class _DummyInterface(object):
-            def __enter__(self):
-                return self
-            def __exit__(self, *args):
-                pass
-        interface = _DummyInterface()
+        interface = _Dummy()
     else:
         interface = audio.Interface(config)
         interface.load(args.audio_library)