Django Heroku错误代码H10，不确定是什么'；发生什么事了

我还是个新手，所以我不知道发生了什么。我一直在阅读Eric Mathes的PCC书，这本书很棒，但是，我在这里和那里都遇到了一些错误，甚至当我跟随这本书到一个T形台时，可能是因为使用了这本书的第1版，而不是最新的第2版。无论如何，我已经尝试了几天来找出这个h10错误，我不明白这里发生了什么。当我执行“Heroku open”时，我得到一个应用程序错误，当我调查时，我得到的是： 提前谢谢

    (11_env) Rezas-MacBook-Pro:learning_log papichulo$ heroku logs --tail
2019-10-04T09:29:06.956667+00:00 heroku[web.1]: Process exited with status 3
2019-10-04T09:41:27.299718+00:00 heroku[web.1]: State changed from crashed to starting
2019-10-04T09:41:32.445405+00:00 heroku[web.1]: Starting process with command `gunicorn learning_log.wsgi --log-file -`
2019-10-04T09:41:35.802943+00:00 heroku[web.1]: State changed from starting to up
2019-10-04T09:41:35.155219+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [4] [INFO] Starting gunicorn 19.9.0
2019-10-04T09:41:35.157841+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [4] [INFO] Listening at: http://0.0.0.0:11830 (4)
2019-10-04T09:41:35.158031+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [4] [INFO] Using worker: sync
2019-10-04T09:41:35.163938+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [10] [INFO] Booting worker with pid: 10
2019-10-04T09:41:35.181361+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [11] [INFO] Booting worker with pid: 11
2019-10-04T09:41:36.545969+00:00 heroku[web.1]: State changed from up to crashed
2019-10-04T09:41:36.519031+00:00 heroku[web.1]: Process exited with status 3
2019-10-04T09:41:36.252946+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [10] [ERROR] Exception in worker process
2019-10-04T09:41:36.252972+00:00 app[web.1]: Traceback (most recent call last):
2019-10-04T09:41:36.252978+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
2019-10-04T09:41:36.252981+00:00 app[web.1]: worker.init_process()
2019-10-04T09:41:36.252983+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/workers/base.py", line 129, in init_process
2019-10-04T09:41:36.252985+00:00 app[web.1]: self.load_wsgi()
2019-10-04T09:41:36.252987+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
2019-10-04T09:41:36.252989+00:00 app[web.1]: self.wsgi = self.app.wsgi()
2019-10-04T09:41:36.252992+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
2019-10-04T09:41:36.252994+00:00 app[web.1]: self.callable = self.load()
2019-10-04T09:41:36.252996+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
2019-10-04T09:41:36.252998+00:00 app[web.1]: return self.load_wsgiapp()
2019-10-04T09:41:36.253000+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
2019-10-04T09:41:36.253002+00:00 app[web.1]: return util.import_app(self.app_uri)
2019-10-04T09:41:36.253004+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/util.py", line 350, in import_app
2019-10-04T09:41:36.253006+00:00 app[web.1]: __import__(module)
2019-10-04T09:41:36.253009+00:00 app[web.1]: File "/app/learning_log/wsgi.py", line 16, in <module>
2019-10-04T09:41:36.253011+00:00 app[web.1]: application = Cling(get_wsgi_application())
2019-10-04T09:41:36.253013+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/core/wsgi.py", line 12, in get_wsgi_application
2019-10-04T09:41:36.253016+00:00 app[web.1]: django.setup(set_prefix=False)
2019-10-04T09:41:36.253018+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/__init__.py", line 19, in setup
2019-10-04T09:41:36.253020+00:00 app[web.1]: configure_logging(settings.LOGGING_CONFIG, settings.LOGGING)
2019-10-04T09:41:36.253022+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 79, in __getattr__
2019-10-04T09:41:36.253024+00:00 app[web.1]: self._setup(name)
2019-10-04T09:41:36.253026+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 66, in _setup
2019-10-04T09:41:36.253029+00:00 app[web.1]: self._wrapped = Settings(settings_module)
2019-10-04T09:41:36.253031+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 157, in __init__
2019-10-04T09:41:36.253033+00:00 app[web.1]: mod = importlib.import_module(self.SETTINGS_MODULE)
2019-10-04T09:41:36.253036+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/importlib/__init__.py", line 127, in import_module
2019-10-04T09:41:36.253038+00:00 app[web.1]: return _bootstrap._gcd_import(name[level:], package, level)
2019-10-04T09:41:36.253040+00:00 app[web.1]: File "/app/learning_log/settings.py", line 141, in <module>
2019-10-04T09:41:36.253042+00:00 app[web.1]: django_heroku.settings(locals())
2019-10-04T09:41:36.253044+00:00 app[web.1]: NameError: name 'django_heroku' is not defined
2019-10-04T09:41:36.253651+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [10] [INFO] Worker exiting (pid: 10)
2019-10-04T09:41:36.270886+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [11] [ERROR] Exception in worker process
2019-10-04T09:41:36.270891+00:00 app[web.1]: Traceback (most recent call last):
2019-10-04T09:41:36.270893+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
2019-10-04T09:41:36.270896+00:00 app[web.1]: worker.init_process()
2019-10-04T09:41:36.270898+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/workers/base.py", line 129, in init_process
2019-10-04T09:41:36.270900+00:00 app[web.1]: self.load_wsgi()
2019-10-04T09:41:36.270903+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
2019-10-04T09:41:36.270905+00:00 app[web.1]: self.wsgi = self.app.wsgi()
2019-10-04T09:41:36.270908+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
2019-10-04T09:41:36.270910+00:00 app[web.1]: self.callable = self.load()
2019-10-04T09:41:36.270912+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
2019-10-04T09:41:36.270914+00:00 app[web.1]: return self.load_wsgiapp()
2019-10-04T09:41:36.270916+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
2019-10-04T09:41:36.270918+00:00 app[web.1]: return util.import_app(self.app_uri)
2019-10-04T09:41:36.270920+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/util.py", line 350, in import_app
2019-10-04T09:41:36.270923+00:00 app[web.1]: __import__(module)
2019-10-04T09:41:36.270926+00:00 app[web.1]: File "/app/learning_log/wsgi.py", line 16, in <module>
2019-10-04T09:41:36.270928+00:00 app[web.1]: application = Cling(get_wsgi_application())
2019-10-04T09:41:36.270930+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/core/wsgi.py", line 12, in get_wsgi_application
2019-10-04T09:41:36.270932+00:00 app[web.1]: django.setup(set_prefix=False)
2019-10-04T09:41:36.270934+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/__init__.py", line 19, in setup
2019-10-04T09:41:36.270936+00:00 app[web.1]: configure_logging(settings.LOGGING_CONFIG, settings.LOGGING)
2019-10-04T09:41:36.270938+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 79, in __getattr__
2019-10-04T09:41:36.270941+00:00 app[web.1]: self._setup(name)
2019-10-04T09:41:36.270969+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 66, in _setup
2019-10-04T09:41:36.270972+00:00 app[web.1]: self._wrapped = Settings(settings_module)
2019-10-04T09:41:36.270974+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 157, in __init__
2019-10-04T09:41:36.270976+00:00 app[web.1]: mod = importlib.import_module(self.SETTINGS_MODULE)
2019-10-04T09:41:36.270978+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/importlib/__init__.py", line 127, in import_module
2019-10-04T09:41:36.270980+00:00 app[web.1]: return _bootstrap._gcd_import(name[level:], package, level)
2019-10-04T09:41:36.270982+00:00 app[web.1]: File "/app/learning_log/settings.py", line 141, in <module>
2019-10-04T09:41:36.270985+00:00 app[web.1]: django_heroku.settings(locals())
2019-10-04T09:41:36.270987+00:00 app[web.1]: NameError: name 'django_heroku' is not defined
2019-10-04T09:41:36.271225+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [11] [INFO] Worker exiting (pid: 11)
2019-10-04T09:41:36.433031+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [4] [INFO] Shutting down: Master
2019-10-04T09:41:36.433151+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [4] [INFO] Reason: Worker failed to boot.
2019-10-04T20:08:47.606934+00:00 app[api]: Starting process with command `rails console` by user rezazandirz@gmail.com
2019-10-04T20:08:52.599170+00:00 heroku[run.8901]: State changed from starting to up
2019-10-04T20:08:52.540958+00:00 heroku[run.8901]: Awaiting client
2019-10-04T20:08:52.558325+00:00 heroku[run.8901]: Starting process with command `rails console`
2019-10-04T20:08:56.882018+00:00 heroku[run.8901]: State changed from up to complete
2019-10-04T20:08:56.861916+00:00 heroku[run.8901]: Process exited with status 127
2019-10-04T20:09:15.082875+00:00 app[api]: Starting process with command `python console` by user rezazandirz@gmail.com
2019-10-04T20:09:20.315902+00:00 heroku[run.5310]: Awaiting client
2019-10-04T20:09:20.491124+00:00 heroku[run.5310]: State changed from starting to up
2019-10-04T20:09:20.340329+00:00 heroku[run.5310]: Starting process with command `python console`
2019-10-04T20:09:24.747343+00:00 heroku[run.5310]: State changed from up to complete
2019-10-04T20:09:24.740813+00:00 heroku[run.5310]: Process exited with status 2
2019-10-04T20:09:37.338658+00:00 app[api]: Starting process with command `django console` by user rezazandirz@gmail.com
2019-10-04T20:09:41.769787+00:00 heroku[run.1451]: State changed from starting to up
2019-10-04T20:09:41.628069+00:00 heroku[run.1451]: Awaiting client
2019-10-04T20:09:41.648952+00:00 heroku[run.1451]: Starting process with command `django console`
2019-10-04T20:09:46.022357+00:00 heroku[run.1451]: State changed from up to complete
2019-10-04T20:09:45.998729+00:00 heroku[run.1451]: Process exited with status 127
2019-10-05T17:02:41.040781+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=whispering-peak-53197.herokuapp.com request_id=3e2be804-3022-48a5-b18a-f1e8e25a5373 fwd="104.129.19.20" dyno= connect= service= status=503 bytes= protocol=https

（11_env）Rezas MacBook Pro:learning_log papichulo$heroku logs-tail
2019-10-04T09:29:06.956667+00:00 heroku[web.1]：进程退出，状态为3
2019-10-04T09:41:27.299718+00:00 heroku[web.1]：状态从崩溃变为启动
2019-10-04T09:41:32.44545+00:00 heroku[web.1]：使用命令'gunicorn learning_log.wsgi--log file启动进程-`
2019-10-04T09:41:35.802943+00:00 heroku[web.1]：状态从启动更改为启动
2019-10-04T09:41:35.155219+00:00应用程序[web.1]：[2019-10-04 09:41:35+0000][4][INFO]启动gunicorn 19.9.0
2019-10-04T09:41:35.157841+00:00应用程序[web.1]：[2019-10-04 09:41:35+0000][4][INFO]收听：http://0.0.0.0:11830 (4)
2019-10-04T09:41:35.15831+00:00应用程序[web.1]：[2019-10-04 09:41:35+0000][4][INFO]使用辅助程序：同步
2019-10-04T09:41:35.163938+00:00应用程序[web.1]：[2019-10-04 09:41:35+0000][10][INFO]带pid的引导工作程序：10
2019-10-04T09:41:35.181361+00:00应用程序[web.1]：[2019-10-04 09:41:35+0000][11][INFO]带pid的引导工作程序：11
2019-10-04T09:41:36.545969+00:00 heroku[web.1]：状态从上改为崩溃
2019-10-04T09:41:36.519031+00:00 heroku[web.1]：进程退出，状态为3
2019-10-04T09:41:36.252946+00:00应用程序[web.1]：[2019-10-04 09:41:36+0000][10][错误]工作进程中出现异常
2019-10-04T09:41:36.252972+00:00应用程序[web.1]：回溯（最近一次通话）：
2019-10-04T09:41:36.252978+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/gunicorn/arbiter.py”，第583行，在spawn_worker中
2019-10-04T09:41:36.252981+00:00应用程序[web.1]：worker.init_进程（）
2019-10-04T09:41:36.252983+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/gunicorn/workers/base.py”，第129行，在初始化过程中
2019-10-04T09:41:36.252985+00:00应用程序[web.1]：自加载
2019-10-04T09:41:36.252987+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/gunicorn/workers/base.py”，第138行，在load\u wsgi中
2019-10-04T09:41:36.252989+00:00应用程序[web.1]：self.wsgi=self.app.wsgi（）
2019-10-04T09:41:36.252992+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/gunicorn/app/base.py”，wsgi第67行
2019-10-04T09:41:36.252994+00:00应用程序[web.1]：self.callable=self.load（）
2019-10-04T09:41:36.252996+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/gunicorn/app/wsgiapp.py”，第52行，已加载
2019-10-04T09:41:36.252998+00:00应用程序[web.1]：返回self.load_wsgiapp（）
2019-10-04T09:41:36.253000+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/gunicorn/app/wsgiapp.py”，第41行，在load_wsgiapp中
2019-10-04T09:41:36.253002+00:00应用程序[web.1]：返回util.import\u应用程序（self.app\u uri）
2019-10-04T09:41:36.253004+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/gunicorn/util.py”，第350行，在导入应用程序中
2019-10-04T09:41:36.253006+00:00应用程序[web.1]：uu导入（模块）
2019-10-04T09:41:36.253009+00:00应用程序[web.1]：文件“/app/learning\u log/wsgi.py”，第16行，在
2019-10-04T09:41:36.253011+00:00应用程序[web.1]：应用程序=Cling（get_wsgi_application（））
2019-10-04T09:41:36.253013+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/django/core/wsgi.py”，第12行，在get_wsgi_应用程序中
2019-10-04T09:41:36.253016+00:00应用程序[web.1]：django.setup（set_prefix=False）
2019-10-04T09:41:36.253018+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/django/_uuinit_uuu.py”，第19行，在设置中
2019-10-04T09:41:36.253020+00:00应用程序[web.1]：配置日志记录（settings.logging\u CONFIG，settings.logging）
2019-10-04T09:41:36.253022+00:00 app[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/django/conf/__init__.py”，第79行，在__
2019-10-04T09:41:36.253024+00:00应用程序[网站1]：自我设置（名称）
2019-10-04T09:41:36.253026+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/django/conf/_uuuinit_uuu.py”，第66行，在安装程序中
2019-10-04T09:41:36.253029+00:00应用程序[web.1]：自包装=设置（设置模块）
2019-10-04T09:41:36.253031+00:00 app[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/django/conf/_init__.py”，第157行，在u init中__
2019-10-04T09:41:36.253033+00:00应用程序[网站1]：mod=importlib.import\u模块（自我设置\u模块）
2019-10-04T09:41:36.253036+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/importlib/\uuuu init\uuuuu.py”，第127行，在导入模块中
2019-10-04T09:41:36.253038+00:00应用程序[web.1]：返回引导。导入（名称[级别：]，包，级别）
2019-10-04T09:41:36.253040+00:00应用程序[web.1]：文件“/app/learning\u log/settings.py”，第141行，在
2019-10-04T09:41:36.253042+00:00应用程序[web.1]：django_heroku.settings（locals（））
2019-10-04T09:41:36.253044+00:00应用程序[web.1]：名称错误：未定义名称“django_heroku”
2019-10-04T09:41:36.253651+00:00应用程序[web.1]：[2019-10-04 09:41:36+0000][10][INFO]工人退出（pid:10）
2019-10-04T09:41:36.270886+00:00应用程序[web.1]：[2019-10-04 09:41:36+0000][11][错误]工作进程中出现异常
2019-10-04T09:41:36.270891+00:00应用程序[web.1]：回溯（最近一次通话）：
2019-10-04T09:41:36.270893+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/gunicorn/arbiter.py”，第583行，在spawn_worker中
2019-10-04T09:41:36.270896+00:00应用程序[web.1]：worker.init_进程（）
2019-10-04T09:41:36.270898+00:00应用程序[web.1]：文件“/app/.heroku/python/lib/python3.7/site packages/gunicorn/workers/base.py”，第129行，在初始化过程中
2019-10-04T09:41:36.270900+00:00