diff --git a/data/maker/__init__.py b/data/maker/__init__.py
index 074d507..3d3788a 100644
--- a/data/maker/__init__.py
+++ b/data/maker/__init__.py
@@ -182,11 +182,13 @@ class Learner(Process):
             
             if self._df[name].size < 5 :
                 continue
-            _index = np.random.choice(np.arange(self._df[name].size),5,False)
-            no_value = [type(value) in [int,float,np.int64,np.int32,np.float32,np.float64] for value in self._df[name].values[_index]]            
+            _index = np.random.choice(np.arange(self._df[name].shape[0]),5,False)
+            no_value = [type(value) in [int,float,np.int64,np.int32,np.float32,np.float64] for value in self._df[name].values[_index] if value is not None]            
             no_value = 0 if np.sum(no_value) > 0 else ''
             try:
                 self._df[name] = self._df[name].fillna(no_value)
+            except Exception as e:
+                print (['.... skipping ',name,no_value])
             finally:
                 pass
             
@@ -591,7 +593,7 @@ class Shuffle(Generator):
             _tmpdf = self._df[_columns].copy()[_columns]
             np.random.seed(1)
             np.random.shuffle(_index)
-            print (_columns,_index)
+            
             # _values = _tmpdf.values[_index]
             #_tmpdf = _tmpdf.iloc[_index]
             _tmpdf = pd.DataFrame(_tmpdf.values[_index],columns=_columns)
diff --git a/data/maker/version.py b/data/maker/version.py
index c1d2f09..625b565 100644
--- a/data/maker/version.py
+++ b/data/maker/version.py
@@ -1 +1 @@
-__version__='1.7.2'
+__version__='1.7.4'