heroku（ヘロク）でServer Error (500)がでる

前提・実現したいこと

HerokuにデプロイしようとしたらServer Error (500)が
出てハマっております。

heroku open後URLに接続したらエラーの詳細等表示されずに
この画像が表示されます。

該当のソースコード

requirements
1
2alabaster==0.7.12
3asn1crypto==0.24.0
4astroid==2.2.5
5attrs==19.1.0
6Babel==2.6.0
7backcall==0.1.0
8bleach==3.1.0
9certifi==2019.3.9
10cffi==1.12.2
11chardet==3.0.4
12cloudpickle==0.8.1
13colorama==0.4.1
14cryptography==2.6.1
15cycler==0.10.0
16decorator==4.4.0
17defusedxml==0.5.0
18dj-database-url==0.5.0
19Django==2.1.7
20django-heroku==0.3.1
21docutils==0.14
22entrypoints==0.3
23gunicorn==19.9.0
24idna==2.8
25imagesize==1.1.0
26ipykernel==5.1.0
27ipython==7.4.0
28ipython-genutils==0.2.0
29isort==4.3.17
30jedi==0.13.3
31Jinja2==2.10.1
32jsonschema==3.0.1
33jupyter-client==5.2.4
34jupyter-core==4.4.0
35keyring==18.0.0
36kiwisolver==1.1.0
37lazy-object-proxy==1.3.1
38MarkupSafe==1.1.1
39matplotlib==3.1.0
40mccabe==0.6.1
41mistune==0.8.4
42nbconvert==5.4.1
43nbformat==4.4.0
44numpy==1.16.4
45numpydoc==0.8.0
46packaging==19.0
47pandocfilters==1.4.2
48parso==0.4.0
49pickleshare==0.7.5
50prompt-toolkit==2.0.9
51psutil==5.6.1
52psycopg2==2.8.2
53pycodestyle==2.5.0
54pycparser==2.19
55pyflakes==2.1.1
56Pygments==2.3.1
57pylint==2.3.1
58pyOpenSSL==19.0.0
59pyparsing==2.4.0
60pyrsistent==0.14.11
61PySocks==1.6.8
62python-dateutil==2.8.0
63pytz==2019.1
64pyzmq==18.0.0
65QtAwesome==0.5.7
66qtconsole==4.4.3
67QtPy==1.7.0
68requests==2.21.0
69rope==0.12.0
70six==1.12.0
71snowballstemmer==1.2.1
72Sphinx==2.0.1
73sphinxcontrib-applehelp==1.0.1
74sphinxcontrib-devhelp==1.0.1
75sphinxcontrib-htmlhelp==1.0.2
76sphinxcontrib-jsmath==1.0.1
77sphinxcontrib-qthelp==1.0.2
78sphinxcontrib-serializinghtml==1.1.1
79spyder==3.3.4
80spyder-kernels==0.4.4
81testpath==0.4.2
82tornado==6.0.2
83traitlets==4.3.2
84typed-ast==1.3.1
85urllib3==1.24.1
86virtualenv==16.5.0
87wcwidth==0.1.7
88webencodings==0.5.1
89whitenoise==4.1.2
90win-inet-pton==1.1.0
91wincertstore==0.2
92wrapt==1.11.1

herokulog
12019-06-01T13:24:35.506425+00:00 heroku[router]: at=info method=GET path="/" host=yonetomodjango.herokuapp.com request_id=eb97104a-3f67-4752-9632-6fb940abebaa fwd="123.216.62.249" dyno=web.1 connect=1ms service=5ms status=404 bytes=258 protocol=https
22019-06-01T13:24:35.503534+00:00 app[web.1]: 10.31.92.177 - - [01/Jun/2019:22:24:35 +0900] "GET / HTTP/1.1" 404 77 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/18.17763"
32019-06-01T13:25:20.229746+00:00 heroku[router]: at=info method=GET path="/dev/top" host=yonetomodjango.herokuapp.com request_id=d258e676-d54b-4dfd-8969-baa162497ef1 fwd="123.216.62.249" dyno=web.1 connect=1ms service=225ms status=500 bytes=234 protocol=https
42019-06-01T13:25:20.226342+00:00 app[web.1]: 10.31.92.177 - - [01/Jun/2019:22:25:20 +0900] "GET /dev/top HTTP/1.1" 500 27 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/18.17763"

上記はheroku　logsで出力したログです。

●settings.py（herokuを利用するにあたり追加した設定のみ記述してます）

・
・
・
ALLOWED_HOSTS = ['.herokuapp.com']

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.1/howto/static-files/

STATIC_URL = '/static/'


DEBUG = False

try:
    from .local_settings import *
except ImportError:
    pass

if not DEBUG:
    import django_heroku
    django_heroku.settings(locals())


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.9/howto/static-files/
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
STATIC_URL = '/static/'


STATICFILES_DIRS = (
    os.path.join(BASE_DIR, 'static'),
)



MIDDLEWARE_CLASSES = (
    # Simplified static file serving.
    # https://warehouse.python.org/project/whitenoise/
    'whitenoise.middleware.WhiteNoiseMiddleware',
)