in gym3/viewer.py [0:0]
def main():
import procgen
env = procgen.ProcgenGym3Env(num=1, env_name="coinrun", render_mode="rgb_array")
env = ViewerWrapper(env=env, info_key="rgb")
start = time.time()
for i in range(10000):
env.act(types_np.sample(env.ac_space, bshape=(env.num,)))
print("step", i, i / (time.time() - start))