Adds some maintenance changes (#179)

* whitelists rm from path

* improves code style

* increases version

pyndl/__init__.py

@@ -17,7 +17,7 @@
 __author__ = ('Konstantin Sering, Marc Weitz, '
               'David-Elias Künstle, Lennard Schneider')
 __author_email__ = '[email protected]'
-__version__ = '0.6.4'
+__version__ = '0.7.0'
 __license__ = 'MIT'
 __description__ = ('Naive discriminative learning implements learning and '
                    'classification models based on the Rescorla-Wagner '

tests/conftest.py

@@ -9,6 +9,7 @@ def pytest_addoption(parser):
     parser.addoption("--runslow", action="store_true",
                      help="run slow tests")
 
+
 def pytest_runtest_setup(item):
     if 'runslow' in item.keywords and not item.config.getoption("--runslow"):
         pytest.skip("need --runslow option to run this test")

tox.ini

@@ -3,7 +3,7 @@ envlist = py{35,36}-test, checkstyle, documentation
 
 [testenv]
 usedevelop = True
-whitelist_externals=/bin/rm
+whitelist_externals=rm
 deps =
      test: pytest
      -rrequirements.txt
@@ -13,7 +13,7 @@ commands =
 
 [testenv:testdoc]
 usedevelop = True
-whitelist_externals=/bin/rm
+whitelist_externals=rm
 deps =
     pytest
 commands =