updated required versions of dependencies (#7312)

.travis.yml

@@ -1,6 +1,6 @@
 language: python
 cache: pip
-dist: xenial
+dist: bionic
 matrix:
     fast_finish: true
     include:

requirements/requirements-codestyle.txt

@@ -1,6 +1,6 @@
 # PEP8 code linting, which we run on all commits.
-flake8==3.7.8
-flake8-tidy-imports==3.0.0
+flake8==3.7.9
+flake8-tidy-imports==4.1.0
 pycodestyle==2.5.0
 
 # Sort and lint imports

requirements/requirements-documentation.txt

@@ -1,2 +1,2 @@
 # MkDocs to build our documentation.
-mkdocs==1.0.4
+mkdocs==1.1

requirements/requirements-optionals.txt

@@ -1,8 +1,8 @@
 # Optional packages which may be used with REST framework.
-psycopg2-binary>=2.8.2, <2.9
+psycopg2-binary>=2.8.5, <2.9
 markdown==3.1.1
 pygments==2.4.2
-django-guardian==2.1.0
+django-guardian==2.2.0
 django-filter>=2.2.0, <2.3
 coreapi==2.3.1
 coreschema==0.0.4

requirements/requirements-packaging.txt

@@ -1,8 +1,8 @@
 # Wheel for PyPI installs.
-wheel==0.30.0
+wheel==0.34.2
 
 # Twine for secured PyPI uploads.
-twine==1.11.0
+twine==3.1.1
 
 # Transifex client for managing translation resources.
-transifex-client==0.11
+transifex-client==0.13.9

requirements/requirements-testing.txt

@@ -1,4 +1,4 @@
 # Pytest for running the tests.
-pytest>=5.0,<5.1
-pytest-django>=3.5.1,<3.6
+pytest>=5.4.1,<5.5
+pytest-django>=3.9.0,<3.10
 pytest-cov>=2.7.1