Created by: zbp-xxxp

Track generation: 1072..1345 -> 273-tiles track ---------------------------------------------------------------------------NoSuchDisplayException Traceback (most recent call last) in 108 109 if name == 'main': --> 110 main() in main() 90 # 往经验池中预存数据 91 while len(rpm) < MEMORY_WARMUP_SIZE: ---> 92 run_episode(agent, env, rpm) 93 94 episode = 0 in run_episode(agent, env, rpm) 16 17 def run_episode(agent, env, rpm): ---> 18 obs = env.reset() 19 total_reward = 0 20 steps = 0 /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/gym/wrappers/time_limit.py in reset(self, **kwargs) 42 self._episode_started_at = time.time() 43 self._elapsed_steps = 0 ---> 44 return self.env.reset(**kwargs) /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/gym/envs/box2d/car_racing.py in reset(self) 293 self.car = Car(self.world, *self.track[0][1:4]) 294 --> 295 return self.step(None)[0] 296 297 def step(self, action): /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/gym/envs/box2d/car_racing.py in step(self, action) 305 self.t += 1.0/FPS 306 --> 307 self.state = self.render("state_pixels") 308 309 step_reward = 0 /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/gym/envs/box2d/car_racing.py in render(self, mode) 328 assert mode in ['human', 'state_pixels', 'rgb_array'] 329 if self.viewer is None: --> 330 from gym.envs.classic_control import rendering 331 self.viewer = rendering.Viewer(WINDOW_W, WINDOW_H) 332 self.score_label = pyglet.text.Label('0000', font_size=36, /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/gym/envs/classic_control/rendering.py in 25 26 try: ---> 27 from pyglet.gl import * 28 except ImportError as e: 29 raise ImportError(''' /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/pyglet/gl/init.py in 235 # trickery is for circular import 236 _pyglet.gl = _sys.modules[name] --> 237 import pyglet.window /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/pyglet/window/init.py in 1888 if not _is_pyglet_doc_run: 1889 pyglet.window = sys.modules[name] -> 1890 gl._create_shadow_window() /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/pyglet/gl/init.py in _create_shadow_window() 207 208 from pyglet.window import Window --> 209 _shadow_window = Window(width=1, height=1, visible=False) 210 _shadow_window.switch_to() 211 /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/pyglet/window/xlib/init.py in init(self, *args, **kwargs) 169 self._event_handlers[message] = func 170 --> 171 super(XlibWindow, self).init(*args, **kwargs) 172 173 global _can_detect_autorepeat /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/pyglet/window/init.py in init(self, width, height, caption, resizable, style, fullscreen, visible, vsync, display, screen, config, context, mode) 573 574 if not display: --> 575 display = pyglet.canvas.get_display() 576 577 if not screen: /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/pyglet/canvas/init.py in get_display() 93 94 # Otherwise, create a new display and return it. ---> 95 return Display() 96 97 /opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/pyglet/canvas/xlib.py in init(self, name, x_screen) 121 self._display = xlib.XOpenDisplay(name) 122 if not self._display: --> 123 raise NoSuchDisplayException('Cannot connect to "%s"' % name) 124 125 screen_count = xlib.XScreenCount(self._display) NoSuchDisplayException: Cannot connect to "None"