add network decorator

Author: wholmgren

pvlib/test/test_tmy.py

@@ -4,6 +4,8 @@
 import inspect
 import os
 
+from pandas.util.testing import network
+
 test_dir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
 tmy3_testfile = os.path.join(test_dir, '../data/703165TY.csv')
 tmy2_testfile = os.path.join(test_dir, '../data/12839.tm2')
@@ -13,7 +15,8 @@
 
 def test_readtmy3():
     tmy.readtmy3(tmy3_testfile)
-    
+
+@network
 def test_readtmy3_remote():
     url = 'http://rredc.nrel.gov/solar/old_data/nsrdb/1991-2005/data/tmy3/703165TYA.CSV'
     tmy.readtmy3(url)