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Fix: ImportError: cannot import name 'prng' #54

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Fix: ImportError: cannot import name 'prng' #54

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5 changes: 3 additions & 2 deletions multiagent/multi_discrete.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
import numpy as np

import gym
from gym.spaces import prng
# from gym.spaces import prng # this prng has been cancelled

class MultiDiscrete(gym.Space):
"""
Expand All @@ -30,7 +30,8 @@ def __init__(self, array_of_param_array):
def sample(self):
""" Returns a array with one sample from each discrete action space """
# For each row: round(random .* (max - min) + min, 0)
random_array = prng.np_random.rand(self.num_discrete_space)
np_random = np.random.RandomState()
random_array = np_random.rand(self.num_discrete_space)
return [int(x) for x in np.floor(np.multiply((self.high - self.low + 1.), random_array) + self.low)]
def contains(self, x):
return len(x) == self.num_discrete_space and (np.array(x) >= self.low).all() and (np.array(x) <= self.high).all()
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