From 9672bf3c2ccb4fc10fb5680d92221b084073c92b Mon Sep 17 00:00:00 2001
From: Matthew Gidden <matthew.gidden@gmail.com>
Date: Wed, 3 May 2017 10:15:00 -0500
Subject: [PATCH] update md5 function name

---
 xarray/tutorial.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xarray/tutorial.py b/xarray/tutorial.py
index b54c4cd5c7d..d7da63a328e 100644
--- a/xarray/tutorial.py
+++ b/xarray/tutorial.py
@@ -20,7 +20,7 @@
 _default_cache_dir = _os.sep.join(('~', '.xarray_tutorial_data'))
 
 
-def _md5(fname):
+def file_md5_checksum(fname):
     hash_md5 = hashlib.md5()
     with open(fname, "rb") as f:
         hash_md5.update(f.read())
@@ -71,7 +71,7 @@ def load_dataset(name, cache=True, cache_dir=_default_cache_dir,
         url = '/'.join((github_url, 'raw', branch, md5name))
         _urlretrieve(url, md5file)
 
-        localmd5 = _md5(localfile)
+        localmd5 = file_md5_checksum(localfile)
         with open(md5file, 'r') as f:
             remotemd5 = f.read()
         if localmd5 != remotemd5: