fix numpy compatibility issue

utility/util.py

@@ -27,15 +27,15 @@ def Data2Volume(data, ksizes, strides):
  TotalPatNum = 1
  for i in range(len(ksizes)):
  TotalPatNum = TotalPatNum * PatNum(dshape[i], ksizes[i], strides[i])
-
+  
  V = np.zeros([int(TotalPatNum)]+ksizes); # create D+1 dimension volume
 
  args = [range(kz) for kz in ksizes]
- for s in product(*args):
+ for s in product(*args): 
  s1 = (slice(None),) + s
- s2 = tuple([slice(key, -ksizes[i]+key+1 or None, strides[i]) for i, key in enumerate(s)])
- V[s1] = np.reshape(data[s2],-1,1)
- 
+ s2 = tuple([slice(key, -ksizes[i]+key+1 or None, strides[i]) for i, key in enumerate(s)]) 
+ V[s1] = np.reshape(data[s2], (-1,))
+
  return V
 
 def crop_center(img,cropx,cropy):