update requirements

Makefile.bootstrapit.make

@@ -300,7 +300,6 @@ git_hooks:
 lint_isort:
 	@printf "isort ...\n"
 	@$(DEV_ENV)/bin/isort \
-		--recursive \
 		--check-only \
 		--line-width=$(MAX_LINE_LEN) \
 		--project $(MODULE_NAME) \
@@ -425,7 +424,6 @@ test:
 .PHONY: fmt_isort
 fmt_isort:
 	@$(DEV_ENV)/bin/isort \
-		--recursive \
 		--line-width=$(MAX_LINE_LEN) \
 		--project $(MODULE_NAME) \
 		src/ test/;

requirements/integration.txt

@@ -20,16 +20,15 @@ flake8-comprehensions
 flake8-junit-report
 flake8-2020
 pylint-ignore>=2020.1013
-mypy
-# pylint doesn't support isort>=5 for now
-#   https://github.com/PyCQA/pylint/issues/3722
-isort<5
+mypy>=0.790
+isort
 
 # http://doc.pytest.org/en/latest/py27-py34-deprecation.html
 # The pytest 4.6 series will be the last to support Python 2.7
 # and 3.4, and is scheduled to be released by mid-2019.
 # pytest 5.0 and onwards will support only Python 3.5+.
-pytest<5.0
+pytest; python_version >= "3.5"
+pytest<5.0; python_version < "3.5"
 pytest-cov
 # https://github.com/pytest-dev/pytest-html/blob/master/CHANGES.rst
 # pytest-html 2.0+ doesn't support python2.7