From bccec403592c9f9328ec3c0e6fc864aafd71b024 Mon Sep 17 00:00:00 2001
From: Per A Brodtkorb <per.andreas.brodtkorb@gmail.com>
Date: Sun, 9 Jul 2017 17:28:11 +0200
Subject: [PATCH] Fixed a bug

---
 wafo/spectrum/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wafo/spectrum/models.py b/wafo/spectrum/models.py
index 362333e..c56a578 100644
--- a/wafo/spectrum/models.py
+++ b/wafo/spectrum/models.py
@@ -1522,7 +1522,7 @@ class Spreading(object):
         methods = {'n': None, 'm': 'mitsuyasu', 'd': 'donelan', 'b':'banner',
                    0: None, 1: 'mitsuyasu', 2: 'donelan', 3:'banner',
                    None: None}
-        m = method if not isinstance(self.method, str) else method[0].lower()
+        m = method if not isinstance(method, str) else method[0].lower()
         try:
             self._method = methods[m]
         except KeyError: