Remove extra_attributes, breaking on Python 2.

Author: brunns

.travis.yml

@@ -48,7 +48,9 @@ before_install:
   - export EASY_SETUP_URL='http://peak.telecommunity.com/dist/ez_setup.py'
 
 install:
-  - pip install --upgrade tox coveralls
+  - pip install --upgrade pip tox coveralls
+  - python --version
+  - pip --version
 
 script:
   - tox -e $TOX_ENV

setup.py

@@ -25,10 +25,6 @@ def read(fname):
     if fh:
         fh.close()
 
-extra_attributes = {}
-# if sys.version_info >= (3,):
-#     extra_attributes['use_2to3'] = True
-
 params = dict(
     name="PyHamcrest",
     version=__version__,  # flake8:noqa
@@ -64,8 +60,7 @@ def read(fname):
         "Topic :: Software Development :: Quality Assurance",
         "Topic :: Software Development :: Testing",
     ],
-    **extra_attributes,
 )
 
-all_params = dict(params.items(), **extra_attributes)
+all_params = dict(params.items())
 setup(**all_params)

tox.ini

@@ -56,3 +56,30 @@ include_trailing_comma=True
 force_grid_wrap=0
 use_parentheses=True
 line_length=100
+
+[testenv:flake8]
+basepython = python3
+skip_install = true
+deps =
+    flake8~=3.0
+    flake8-bugbear~=18.0
+    flake8-comprehensions~=1.0
+    flake8-mutable~=1.0
+    mccabe~=0.6
+    flake8-blind-except~=0.1
+    flake8-builtins~=1.0
+    flake8-pep3101~=1.0
+    flake8-print~=3.0
+    flake8-string-format~=0.2
+    flake8-logging-format~=0.5
+
+commands =
+    flake8 src/ tests/ setup.py
+
+[flake8]
+max-complexity = 5
+max-line-length = 100
+show-source = True
+enable-extensions = M,B,C,T,P
+ignore = C812,W503,P103,E1,E2,E3,E5
+statistics = True