Fix determinism

gym/envs/toy_text/kellycoinflip.py

@@ -1,6 +1,7 @@
 import gym
 from gym import spaces
 from gym.utils import seeding
+from gym.spaces import prng
 # for Generalized Kelly coinflip game distributions:
 from scipy.stats import genpareto
 import numpy.random
@@ -77,9 +78,9 @@ def __init__(self, initialWealth=25, edgePriorAlpha=7, edgePriorBeta=3, maxWealt
         self.maxRoundsSD=maxRoundsSD
 
         # draw this game's set of parameters:
-        edge = numpy.random.beta(edgePriorAlpha, edgePriorBeta)
-        maxWealth = round(genpareto.rvs(maxWealthAlpha, maxWealthM))
-        maxRounds = round(numpy.random.normal(maxRoundsMean, maxRoundsSD))
+        edge = prng.np_random.beta(edgePriorAlpha, edgePriorBeta)
+        maxWealth = round(genpareto.rvs(maxWealthAlpha, maxWealthM, random_state=prng.np_random))
+        maxRounds = round(prng.np_random.normal(maxRoundsMean, maxRoundsSD))
 
         # add an additional global variable which is the sufficient statistic for the Pareto distribution on wealth cap;
         # alpha doesn't update, but x_m does, and simply is the highest wealth count we've seen to date: