Black formatting

.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+repos:
+-   repo: https://github.com/ambv/black
+    rev: stable
+    hooks:
+    - id: black
+      language_version: python3.7

.travis.yml

@@ -6,3 +6,4 @@ install:
   - pip-sync
 script:
   - pytest -vv -s
+  - black --check .

pyproject.toml

@@ -0,0 +1,12 @@
+[tool.black]
+line-length = 119
+exclude = '''
+/(
+    \.git
+  | \.hg
+  | \.mypy_cache
+  | \.tox
+  | \.venv
+  | migrations/*
+)/
+'''

requirements.txt

@@ -1,23 +1,25 @@
-#
-# This file is autogenerated by pip-compile
-# To update, run:
-#
-#    pip-compile --output-file requirements.txt requirements.in
-#
-atomicwrites==1.1.5       # via pytest
-attrs==18.1.0             # via pytest
-colorama==0.3.9           # via pytest
-django-cors-headers==2.2.0
-django-money==0.14
-django==2.0.3
-djangorestframework==3.8.2
-gunicorn==19.8.1
-model-mommy==1.6.0
-more-itertools==4.2.0     # via pytest
-pluggy==0.6.0             # via pytest
-py-moneyed==0.7.0         # via django-money
-py==1.5.3                 # via pytest
-pytest-django==3.3.2
-pytest==3.6.2
-pytz==2018.4              # via django
-six==1.11.0               # via model-mommy, more-itertools, pytest
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile --output-file=requirements.txt requirements.in
+#
+atomicwrites==1.1.5       # via pytest
+attrs==18.1.0             # via pytest
+django-cors-headers==2.2.0
+django-money==0.14
+django==2.0.3
+djangorestframework==3.8.2
+gunicorn==19.8.1
+model-mommy==1.6.0
+more-itertools==4.2.0     # via pytest
+pluggy==0.6.0             # via pytest
+py-moneyed==0.7.0         # via django-money
+py==1.5.3                 # via pytest
+pytest-django==3.3.2
+pytest==3.6.2
+pytz==2018.4              # via django
+six==1.11.0               # via model-mommy, more-itertools, pytest
+black
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools==41.1.0        # via django-money, pytest