- Explicitly exclude Makefile from MANIFEST.in (silent check-manifest).

- Added .cache to gitignore.
- Corrected some flake8 whitespace errors.
- Disabled 'from unshare import *' flake8 error.

.gitignore

@@ -10,3 +10,4 @@ dist/
 __pycache__/
 *.log
 .tox
+.cache

MANIFEST.in

 recursive-include unshare
-exclude .pre-commit-config.yaml
+exclude .pre-commit-config.yaml Makefile

tests/basic_assertions.py

 import unshare
 
+
 def import_assestions():
     for macro in 'CLONE_NEWUTS', 'MS_SHARED':
         assert macro in dir(unshare)
-    
     for function in 'clone', 'pivot_root':
         assert function in dir(unshare)

tox.ini

+[flake8]
+ignore=F403
+exclude = .tox,*.egg,build,data,unshare/constants.py
+
 [tox]
 envlist = py{27,35}
 
@@ -15,8 +19,3 @@ commands =
     {py27,py35}: python setup.py check -m -r -s
     flake8 .
     py.test tests
-
-[flake8]
-ignore=F403
-exclude = .tox,*.egg,build,data,unshare/constants.py
-select = E,W,F