Stack: skip PU if input method is "no"

contrib/stack/stripmapStack/Stack.py

@@ -598,6 +598,8 @@ class run(object):
              #configObj.filtStrength = filtStrength
              configObj.filterCoherence('[Function-2]')
 
+             # skip phase unwrapping if input method == no
+             if self.unwMethod.lower() != 'no':
                  configObj.igram = configObj.filtIgram
                  configObj.unwIfg = os.path.dirname(configObj.outDir) + '/filt_' + pair[0] + '_'  + pair[1] 
                  configObj.noMCF = noMCF