diff --git a/alignement.py b/alignement.py
index 2b88a0c905c861d30b6a4ca0dc8fa898481c48cb..39892fc10f955ff126ff8bca2dbd7aa97ce82e7b 100644
--- a/alignement.py
+++ b/alignement.py
@@ -146,7 +146,7 @@ def filter_cysteine(df, col):
 # dataset_train.to_pickle('database/data_DIA_ISA_55_train.pkl')
 # dataset_train.to_pickle('database/data_DIA_ISA_55_test.pkl')
 
-data_train_1 = pd.read_pickle('database/data_DIA_ISA_55_train.pkl').reset_index(drop=True)
+data_train_1 = pd.read_csv('database/data_holdout.csv').reset_index(drop=True)
 # data_train_2 = pd.read_pickle('database/data_DIA_ISA_55_test.pkl').reset_index(drop=True)
 # data_ori = pd.read_csv('database/data_train.csv').reset_index(drop=True)
 # data_ori['Sequence']=data_ori['sequence']
@@ -154,4 +154,4 @@ data_train_1 = pd.read_pickle('database/data_DIA_ISA_55_train.pkl').reset_index(
 # data_train = pd.concat([data_train_2,data_train_1]).reset_index(drop=True)
 # data_align = align(data_train, data_ori)
 
-df = filter_cysteine(data_train_1,'Sequence')
+df = filter_cysteine(data_train_1,'sequence')