From 6d3d2143b7b0397d7f035400b824d1bdebc45828 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A1s=20Veres-Szentkir=C3=A1lyi?= <vsza@vsza.hu>
Date: Sat, 24 Feb 2018 21:28:46 +0100
Subject: [PATCH] build_module_map: use OrderedDict if available

this results in a much nicer "usage" screen by argparse
---
 pysstv/__main__.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pysstv/__main__.py b/pysstv/__main__.py
index 0468ae0..04a91bf 100644
--- a/pysstv/__main__.py
+++ b/pysstv/__main__.py
@@ -47,7 +47,11 @@ def main():
 
 
 def build_module_map():
-    module_map = {}
+    try:
+        from collections import OrderedDict
+        module_map = OrderedDict()
+    except ImportError:
+        module_map = {}
     for module in SSTV_MODULES:
         for mode in module.MODES:
             module_map[mode.__name__] = mode