diff --git a/data/maker/__init__.py b/data/maker/__init__.py
index 630aa41..35a8967 100644
--- a/data/maker/__init__.py
+++ b/data/maker/__init__.py
@@ -219,7 +219,7 @@ class Generator (Learner):
                
                 index = [ _x not in ['',None,np.nan] for _x in values]
                 
-                if len(index) == len(values):
+                if np.sum(index) == 0:
                     #
                     # Sometimes messy data has unpleasant surprises
                     continue
@@ -228,6 +228,7 @@ class Generator (Learner):
                 values[index] = list(values[index] + _values )if np.random.randint(0,2) else list(values[index] - _values)
                 values[index] = values[index].astype(_type)
                 x += values.tolist()
+            print (batches)
             if x :   
                 _log['input']['identical_percentage'] = 100 * (1 - np.divide( (_df[name].dropna() == x).sum(),_df[name].dropna().size))
                 _df[name] = x  #np.array(x,dtype=np.int64) if 'int' in _type  else np.arry(x,dtype=np.float64)