Index: /fact/tools/pyscripts/pyfact/extractor.py
===================================================================
--- /fact/tools/pyscripts/pyfact/extractor.py	(revision 13229)
+++ /fact/tools/pyscripts/pyfact/extractor.py	(revision 13230)
@@ -5,5 +5,4 @@
 #
 import numpy as np
-import matplotlib.pyplot as plt
 from generator import *
 from fir_filter import *
@@ -173,4 +172,5 @@
 
 if __name__ == '__main__':
+    import matplotlib.pyplot as plt
     """ test the extractors """