fix linting issues

_pytest/outcomes.py

@@ -22,7 +22,7 @@ def __repr__(self):
             if isinstance(val, bytes):
                 val = py._builtin._totext(val, errors='replace')
             return val
-        return "<%s instance>" %(self.__class__.__name__,)
+        return "<%s instance>" % (self.__class__.__name__,)
     __str__ = __repr__
 
 
@@ -52,6 +52,7 @@ def __init__(self, msg="unknown reason"):
 
 # exposed helper methods
 
+
 def exit(msg):
     """ exit testing process as if KeyboardInterrupt was triggered. """
     __tracebackhide__ = True
@@ -87,7 +88,6 @@ def fail(msg="", pytrace=True):
 fail.Exception = Failed
 
 
-
 class XFailed(fail.Exception):
     """ raised from an explicit call to pytest.xfail() """
 
@@ -101,15 +101,14 @@ def xfail(reason=""):
 xfail.Exception = XFailed
 
 
-
 def importorskip(modname, minversion=None):
     """ return imported module if it has at least "minversion" as its
     __version__ attribute.  If no minversion is specified the a skip
     is only triggered if the module can not be imported.
     """
     import warnings
     __tracebackhide__ = True
-    compile(modname, '', 'eval') # to catch syntaxerrors
+    compile(modname, '', 'eval')  # to catch syntaxerrors
     should_skip = False
 
     with warnings.catch_warnings():
@@ -123,7 +122,7 @@ def importorskip(modname, minversion=None):
             # Do not raise chained exception here(#1485)
             should_skip = True
     if should_skip:
-        raise Skipped("could not import %r" %(modname,), allow_module_level=True)
+        raise Skipped("could not import %r" % (modname,), allow_module_level=True)
     mod = sys.modules[modname]
     if minversion is None:
         return mod
@@ -136,6 +135,6 @@ def importorskip(modname, minversion=None):
                           "pkg_resources to parse version strings." % (modname,),
                           allow_module_level=True)
         if verattr is None or pv(verattr) < pv(minversion):
-            raise Skipped("module %r has __version__ %r, required is: %r" %(
+            raise Skipped("module %r has __version__ %r, required is: %r" % (
                           modname, verattr, minversion), allow_module_level=True)
     return mod

_pytest/recwarn.py

@@ -11,6 +11,7 @@
 from _pytest.fixtures import yield_fixture
 from _pytest.outcomes import fail
 
+
 @yield_fixture
 def recwarn():
     """Return a WarningsRecorder instance that provides these methods:

_pytest/runner.py

@@ -13,6 +13,7 @@
 #
 # pytest plugin hooks
 
+
 def pytest_addoption(parser):
     group = parser.getgroup("terminal reporting", "reporting", after="general")
     group.addoption('--durations',
@@ -505,7 +506,3 @@ def collect_one_node(collector):
     if call and check_interactive_exception(call, rep):
         ihook.pytest_exception_interact(node=collector, call=call, report=rep)
     return rep
-
-
-
-

_pytest/skipping.py

@@ -60,7 +60,6 @@ def nop(*args, **kwargs):
                             )
 
 
-
 class MarkEvaluator:
     def __init__(self, item, name):
         self.item = item

testing/test_runner.py

@@ -461,7 +461,6 @@ def test_outcomeexception_passes_except_Exception():
             pass
 
 
-
 def test_pytest_exit():
     try:
         pytest.exit("hello")