Fix failing unittests

- Fix .flake8 to comply with black
- Fix line number for test_b006_b008
- Upgrade pip + setuptools for CI

Fixes #82

Author: cooperlees

.flake8

@@ -2,7 +2,7 @@
 # Keep in sync with setup.cfg which is used for source packages.
 
 [flake8]
-ignore = E302, E501
+ignore = E203, E302, E501
 max-line-length = 88
 max-complexity = 12
 select = B,C,E,F,W,B9

.travis.yml

@@ -15,8 +15,8 @@ matrix:
     - env: PYTHON_VER=py38
 
 install:
-  - pip install black
-  - pip install -e .
+  - pip install --upgrade pip setuptools black
+  - pip install .
 
 script:
   - python setup.py test && find . -type f -name '*.py' | xargs black --check

tests/test_bugbear.py

@@ -87,7 +87,7 @@ def test_b006_b008(self):
                 B006(26, 19),
                 B006(30, 31),
                 B008(39, 38),
-                B006(53, 32),
+                B006(55, 32),
             ),
         )