Use numpy.tanh()

Author: diegomartinez2

Modules/Ensemble.py

@@ -4,7 +4,7 @@
 import warnings
 import numpy as np
 import time
-from scipy.special import tanh, sinh, cosh
+#from scipy.special import tanh, sinh, cosh
 
 
 """
@@ -4201,7 +4201,7 @@ def w_to_a(w, T):
         if T == 0.0:
             a[:] = np.sqrt(1.0 / (2.0 * w))
         else:
-            a[:] = np.sqrt((1.0 / tanh(0.5 * w * 315774.65221921849 / T)) / (2.0 * w))
+            a[:] = np.sqrt((1.0 / np.tanh(0.5 * w * 315774.65221921849 / T)) / (2.0 * w))
         return a
 
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