Convert "NaN" -> "nan" to catch up with Numpy 1.6

[hooke.git] / hooke / util / si.py

diff --git a/hooke/util/si.py b/hooke/util/si.py
index 9d6e91068e1a91cac40d49a4b1790f6a111f7163..67366c135eb094eb51550949aaa2c349b0fb791c 100644 (file)
--- a/hooke/util/si.py
+++ b/hooke/util/si.py
@@ -109,7 +109,7 @@ def ppSI(value, unit='', decimals=None, power=None, pad=False):
     if value == 0:
         return '0'
     if value == None or isnan(value):
-        return 'NaN'
+        return 'nan'
 
     if power == None:  # auto-detect power
         power = get_power(value)