diff --git a/pyFTS/common/transformations/som.py b/pyFTS/common/transformations/som.py
index 6e55019..064fcaf 100644
--- a/pyFTS/common/transformations/som.py
+++ b/pyFTS/common/transformations/som.py
@@ -6,14 +6,14 @@ import pandas as pd
 from typing import Tuple
 from typing import List
 from pyFTS.common.transformations.transformation import Transformation 
-import SimpSOM as sps
+
 
 class SOMTransformation(Transformation):
     def __init__(self,
                  grid_dimension: Tuple,
                  **kwargs):
 
-        
+        import SimpSOM as sps
         
         # SOM attributes
         self.load_file = kwargs.get('loadFile')