Import tools in modelchain

SabineHaas · SabineHaas · commit 68cf76f85d6d · 2017-05-30T12:04:44.000+02:00
diff --git a/windpowerlib/modelchain.py b/windpowerlib/modelchain.py
@@ -9,7 +9,7 @@
 __license__ = "GPLv3"
 
 import logging
-from windpowerlib import wind_speed, density, power_output
+from windpowerlib import wind_speed, density, power_output, tools
 
 
 class ModelChain(object):
