flake8 became more intellectual and moved to static analysers group

Signed-off-by: Aleksei Stepanov <penguinolog@gmail.com>

Author: penguinolog

.travis.yml

@@ -77,14 +77,14 @@ jobs:
     - pip install --upgrade "mypy >= 0.660"
     script:
     - mypy --strict exec_helpers
-
-  - <<: *code_style_check
+  - <<: *static_analysis
     name: "PEP8"
     install:
     - *upgrade_python_toolset
     - pip install --upgrade flake8
     script:
     - flake8
+
 #  - <<: *code_style_check
 #    name: "PEP257"
 #    install:

exec_helpers/async_api/subprocess_runner.py

@@ -28,7 +28,7 @@
 from exec_helpers.async_api import api
 from exec_helpers.async_api import exec_result
 from exec_helpers import exceptions
-from exec_helpers import metaclasses  # pylint: disable=unused-import
+from exec_helpers import metaclasses
 from exec_helpers import subprocess_runner
 from exec_helpers import _log_templates
 from exec_helpers import _subprocess_helpers

exec_helpers/subprocess_runner.py

@@ -30,7 +30,7 @@
 from exec_helpers import api
 from exec_helpers import exec_result
 from exec_helpers import exceptions
-from exec_helpers import metaclasses  # pylint: disable=unused-import
+from exec_helpers import metaclasses
 from exec_helpers import _log_templates
 from exec_helpers import _subprocess_helpers