Adjust requirements

requirements.txt

@@ -8,19 +8,19 @@ brotli==1.0.7
 certifi==2019.6.16
 chardet==3.0.4
 coverage==4.5.4
-coveralls==1.8.2
-dateparser==0.7.1
-django-cors-headers==3.0.2
+coveralls==1.5.1
+dateparser==0.7.0
+django-cors-headers==2.4.0
 django-crispy-forms==1.7.2
-django-extensions==2.2.1
-django-filter==2.2.0
-django==2.0.13
-djangoql==0.13.0
-djangorestframework==3.10.2
+django-extensions==2.1.4
+django-filter==2.1.0
+django==2.0.10
+djangoql==0.12.3
+djangorestframework==3.9.1
 docopt==0.6.2
 docutils==0.15.2
 execnet==1.6.1
-factory-boy==2.12.0
+factory-boy==2.11.1
 faker==2.0.0
 filelock==3.0.12
 filemagic==1.6
@@ -29,39 +29,39 @@ gunicorn==19.9.0
 idna==2.8
 imagesize==1.1.0
 importlib-metadata==0.19
-inotify-simple==1.1.8; sys_platform == 'linux'
+inotify-simple==1.1.8
 jinja2==2.10.1
 langdetect==1.0.7
 markupsafe==1.1.1
 more-itertools==7.2.0
 packaging==19.1
 pdftotext==2.1.1
-pillow==6.1.0
+pillow==5.4.1
 pluggy==0.12.0
 ply==3.11
-psycopg2==2.8.3
+psycopg2==2.7.7
 py==1.8.0
-pycodestyle==2.5.0
+pycodestyle==2.4.0
 pygments==2.4.2
-pyocr==0.7.2
+pyocr==0.5.3
 pyparsing==2.4.2
-pytest-cov==2.7.1
-pytest-django==3.5.1
+pytest-cov==2.6.1
+pytest-django==3.4.5
 pytest-env==0.6.2
 pytest-forked==1.0.2
 pytest-sugar==0.9.2
-pytest-xdist==1.29.0
-pytest==5.0.1
-python-dateutil==2.8.0
-python-dotenv==0.10.3
+pytest-xdist==1.26.0
+pytest==4.1.1
+python-dateutil==2.7.5
+python-dotenv==0.10.1
 python-gnupg==0.4.4
 python-levenshtein==0.12.0
-pytz==2019.2
+pytz==2018.9
 regex==2019.6.8
 requests==2.22.0
 six==1.12.0
 snowballstemmer==1.9.0
-sphinx==2.1.2
+sphinx==1.8.3
 sphinxcontrib-applehelp==1.0.1
 sphinxcontrib-devhelp==1.0.1
 sphinxcontrib-htmlhelp==1.0.2
@@ -71,7 +71,7 @@ sphinxcontrib-serializinghtml==1.1.3
 termcolor==1.1.0
 text-unidecode==1.2
 toml==0.10.0
-tox==3.13.2
+tox==3.7.0
 tzlocal==2.0.0
 urllib3==1.25.3
 virtualenv==16.7.2