Merge pull request #1 from GatorSense/fix_checking_error

this line caused errors when actual input was given for initEM

Author: taylorcglenn

SPICE.py

@@ -98,7 +98,7 @@ def SPICE(inputData, parameters):
     M = parameters.M
     X = inputData
 
-    if parameters.initEM == None:
+    if parameters.initEM is None:
         # Find Random Initial Endmembers
         randIndices = np.random.permutation(inputData.shape[1])
         randIndices = randIndices[0:parameters.M]
@@ -245,4 +245,4 @@ def unmix2(data, endmembers, gammaConst=0, P=None):
 
     return P2  
 
-    
+