diff --git a/processing/pre/geom_canvas.py b/processing/pre/geom_canvas.py
index 2bd5fd234..199304b0e 100755
--- a/processing/pre/geom_canvas.py
+++ b/processing/pre/geom_canvas.py
@@ -124,8 +124,7 @@ for file in files:
     i += s
 
 #--- do work ------------------------------------------------------------------------------------
-  newInfo['grid'] = np.array([{True:  int(o*float(n.translate(None,'xX'))), 
-                                  False: int(n.translate(None,'xX'))}[n[-1].lower() == 'x'] for o,n in zip(info['grid'],options.grid)],'i')
+  newInfo['grid'] = np.array(int(o*float(n.translate(None,'xX'))) if [n[-1].lower() == 'x' else int(n.translate(None,'xX'))}[n[-1].lower() == 'x'] for o,n in zip(info['grid'],options.grid)],'i')
   newInfo['grid'] = np.where(newInfo['grid'] <= 0  , info['grid'],newInfo['grid'])
 
   microstructure = microstructure.reshape(info['grid'],order='F')
@@ -149,13 +148,8 @@ for file in files:
 
   newInfo['size']   = info['size']/info['grid']*newInfo['grid']
   newInfo['origin'] = info['origin']+info['size']/info['grid']*options.offset
-  a = np.bincount(microstructure_cropped.flatten())
-  b = np.nonzero(a)[0]
-  y = np.size(b)
   newInfo['microstructures'] = microstructure_cropped.max()
 
-
-
 #--- report ---------------------------------------------------------------------------------------
   if (any(newInfo['grid'] != info['grid'])):
     file['croak'].write('--> grid     a b c:  %s\n'%(' x '.join(map(str,newInfo['grid']))))