small fixes

Author: benvanwerkhoven

kernel_tuner/strategies/basinhopping.py

@@ -1,10 +1,7 @@
 """ The strategy that uses the basinhopping global optimization method """
 from __future__ import print_function
 
-import numpy
 import scipy.optimize
-from kernel_tuner import util
-
 
 from kernel_tuner.strategies.minimize import _cost_func, get_bounds_x0_eps, setup_method_arguments, setup_method_options
 

kernel_tuner/strategies/minimize.py

@@ -39,7 +39,7 @@ def tune(runner, kernel_options, device_options, tuning_options):
     #scale variables in x to make 'eps' relevant for multiple variables
     tuning_options["scaling"] = True
 
-    bounds, x0, eps = get_bounds_x0_eps(tuning_options)
+    bounds, x0, _ = get_bounds_x0_eps(tuning_options)
     kwargs = setup_method_arguments(method, bounds)
     options = setup_method_options(method, tuning_options)