Correct np.float to np.floating for subtype comparisons #47

Closes #47 (closed)

pyglance/glance/data.py

@@ -368,7 +368,7 @@ class DiffInfoObject (object) :
         else: 
             
             # if we're looking at float or complex data, use a nan
-            if (np.issubdtype(type_to_return, np.float) or
+            if (np.issubdtype(type_to_return, np.floating) or
                 np.issubdtype(type_to_return, np.complex)) :
                 fill_value_to_return = np.nan