質問編集履歴
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画像からコードにしました
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@@ -1,2 +1,30 @@
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ソースコードのエラーがわかりません。教えてください。
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```python
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import gym
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env = gym.make('CartPole-v0')
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env.reset()
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for _ in range(1000):
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env.render()
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env.step(env.action_space.sample()) # take a random action
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env.close()
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```
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```error
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NoSuchDisplayException Traceback (most recent call last)
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<ipython-input-1-ae18def96b83> in <module>()
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3 env.reset()
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15
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4 for _ in range(1000):
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----> 5 env.render()
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6 env.step(env.action_space.sample()) # take a random action
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7 env.close()
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9 frames
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/usr/local/lib/python3.6/dist-packages/pyglet/canvas/xlib.py in __init__(self, name, x_screen)
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-
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121 self._display = xlib.XOpenDisplay(name)
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122 if not self._display:
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--> 123 raise NoSuchDisplayException('Cannot connect to "%s"' % name)
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124
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125 screen_count = xlib.XScreenCount(self._display)
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NoSuchDisplayException: Cannot connect to "None"
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```
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