Merge pull request #200 from ha-mano/fix/flake8-global

Remove unnecessary 'global' declarations causing flake8 F824 errors

Author: ha-mano

tools/cmaes_visualizer.py

@@ -198,7 +198,7 @@ def init():
 
 
 def get_next_popsize_sigma():
-    global optimizer, n_restarts, poptype, small_n_eval, large_n_eval, sigma0
+    global n_restarts, poptype, small_n_eval, large_n_eval
     if args.restart_strategy == "ipop":
         n_restarts += 1
         popsize = optimizer.population_size * inc_popsize

tools/ws_cmaes_visualizer.py

@@ -241,8 +241,6 @@ def init():
 
 
 def update(frame):
-    global solutions
-
     for i in range(args.pop_per_frame):
         x1 = (x1_upper_bound - x1_lower_bound) * rng.random() + x1_lower_bound
         x2 = (x2_upper_bound - x2_lower_bound) * rng.random() + x2_lower_bound