diff --git a/src/osmo_gsm_tester/obj/ms_srs.py b/src/osmo_gsm_tester/obj/ms_srs.py
index e5427f0..106502d 100644
--- a/src/osmo_gsm_tester/obj/ms_srs.py
+++ b/src/osmo_gsm_tester/obj/ms_srs.py
@@ -343,8 +343,6 @@
         metrics = srsUEMetrics(self.metrics_file)
         return metrics.verify(value, operation, metric, criterion)
 
-import numpy
-
 class srsUEMetrics(log.Origin):
 
     VALID_OPERATIONS = ['avg', 'sum']
@@ -357,6 +355,7 @@
         super().__init__(log.C_RUN, 'srsue_metrics')
         self.raw_data = None
         self.metrics_file = metrics_file
+        import numpy
         # read CSV, guessing data type with first row being the legend
         try:
             self.raw_data = numpy.genfromtxt(self.metrics_file, names=True, delimiter=';', dtype=None)