diff --git a/_pytest/fixtures.py b/_pytest/fixtures.py
index 2710da792..714a8b406 100644
--- a/_pytest/fixtures.py
+++ b/_pytest/fixtures.py
@@ -682,8 +682,9 @@ def fail_fixturefunc(fixturefunc, msg):
     fs, lineno = getfslineno(fixturefunc)
     location = "%s:%s" % (fs, lineno+1)
     source = _pytest._code.Source(fixturefunc)
-    pytest.fail(msg + ":\n\n" + str(source.indent()) + "\n" + location,
-                pytrace=False)
+    fail(msg + ":\n\n" + str(source.indent()) + "\n" + location,
+         pytrace=False)
+
 
 def call_fixture_func(fixturefunc, request, kwargs):
     yieldctx = is_generator(fixturefunc)
diff --git a/_pytest/python.py b/_pytest/python.py
index 985b476ca..4f33a356b 100644
--- a/_pytest/python.py
+++ b/_pytest/python.py
@@ -1223,8 +1223,8 @@ def raises(expected_exception, *args, **kwargs):
             return _pytest._code.ExceptionInfo()
     fail(message)
 
-raises.Exception = fail.Exception
 
+raises.Exception = fail.Exception
 
 
 class RaisesContext(object):
diff --git a/_pytest/recwarn.py b/_pytest/recwarn.py
index 73325cb8e..7dce842f6 100644
--- a/_pytest/recwarn.py
+++ b/_pytest/recwarn.py
@@ -7,7 +7,6 @@ import _pytest._code
 import py
 import sys
 import warnings
-
 from _pytest.fixtures import yield_fixture
 
 
diff --git a/_pytest/skipping.py b/_pytest/skipping.py
index c68cdea47..e7922da7d 100644
--- a/_pytest/skipping.py
+++ b/_pytest/skipping.py
@@ -204,7 +204,7 @@ def check_xfail_no_run(item):
         evalxfail = item._evalxfail
         if evalxfail.istrue():
             if not evalxfail.get('run', True):
-                pytest.xfail("[NOTRUN] " + evalxfail.getexplanation())
+                xfail("[NOTRUN] " + evalxfail.getexplanation())
 
 
 def check_strict_xfail(pyfuncitem):
@@ -216,7 +216,7 @@ def check_strict_xfail(pyfuncitem):
         if is_strict_xfail:
             del pyfuncitem._evalxfail
             explanation = evalxfail.getexplanation()
-            pytest.fail('[XPASS(strict)] ' + explanation, pytrace=False)
+            fail('[XPASS(strict)] ' + explanation, pytrace=False)
 
 
 @hookimpl(hookwrapper=True)
@@ -307,12 +307,14 @@ def pytest_terminal_summary(terminalreporter):
         for line in lines:
             tr._tw.line(line)
 
+
 def show_simple(terminalreporter, lines, stat, format):
     failed = terminalreporter.stats.get(stat)
     if failed:
         for rep in failed:
             pos = terminalreporter.config.cwd_relative_nodeid(rep.nodeid)
-            lines.append(format %(pos,))
+            lines.append(format % (pos,))
+
 
 def show_xfailed(terminalreporter, lines):
     xfailed = terminalreporter.stats.get("xfailed")
@@ -324,13 +326,15 @@ def show_xfailed(terminalreporter, lines):
             if reason:
                 lines.append("  " + str(reason))
 
+
 def show_xpassed(terminalreporter, lines):
     xpassed = terminalreporter.stats.get("xpassed")
     if xpassed:
         for rep in xpassed:
             pos = terminalreporter.config.cwd_relative_nodeid(rep.nodeid)
             reason = rep.wasxfail
-            lines.append("XPASS %s %s" %(pos, reason))
+            lines.append("XPASS %s %s" % (pos, reason))
+
 
 def cached_eval(config, expr, d):
     if not hasattr(config, '_evalcache'):
@@ -355,6 +359,7 @@ def folded_skips(skipped):
         l.append((len(events),) + key)
     return l
 
+
 def show_skipped(terminalreporter, lines):
     tr = terminalreporter
     skipped = tr.stats.get('skipped', [])
@@ -370,5 +375,6 @@ def show_skipped(terminalreporter, lines):
             for num, fspath, lineno, reason in fskips:
                 if reason.startswith("Skipped: "):
                     reason = reason[9:]
-                lines.append("SKIP [%d] %s:%d: %s" %
+                lines.append(
+                    "SKIP [%d] %s:%d: %s" %
                     (num, fspath, lineno, reason))
diff --git a/pytest.py b/pytest.py
index 8185d6503..d720ee866 100644
--- a/pytest.py
+++ b/pytest.py
@@ -2,41 +2,7 @@
 """
 pytest: unit and functional testing with Python.
 """
-__all__ = [
-    'main',
-    'UsageError',
-    'cmdline',
-    'hookspec',
-    'hookimpl',
-    '__version__',
-    'register_assert_rewrite',
-    'freeze_includes',
-    'set_trace',
-    'warns',
-    'deprecated_call',
-    'fixture',
-    'yield_fixture',
-    'fail',
-    'skip',
-    'xfail',
-    'importorskip',
-    'exit',
-    'mark',
 
-    '_fillfuncargs',
-
-    'Item',
-    'File',
-    'Collector',
-    'Session',
-
-
-]
-
-if __name__ == '__main__': # if run as a script or by 'python -m pytest'
-    # we trigger the below "else" condition by the following import
-    import pytest
-    raise SystemExit(pytest.main())
 
 # else we are imported
 
@@ -60,10 +26,52 @@ from _pytest.python import (
     Module, Class, Instance, Function, Generator,
 )
 
-
 set_trace = __pytestPDB.set_trace
 
+__all__ = [
+    'main',
+    'UsageError',
+    'cmdline',
+    'hookspec',
+    'hookimpl',
+    '__version__',
+    'register_assert_rewrite',
+    'freeze_includes',
+    'set_trace',
+    'warns',
+    'deprecated_call',
+    'fixture',
+    'yield_fixture',
+    'fail',
+    'skip',
+    'xfail',
+    'importorskip',
+    'exit',
+    'mark',
+    'approx',
+    '_fillfuncargs',
 
-from _pytest.compat import _setup_collect_fakemodule
-_preloadplugins() # to populate pytest.* namespace so help(pytest) works
-_setup_collect_fakemodule()
\ No newline at end of file
+    'Item',
+    'File',
+    'Collector',
+    'Session',
+    'Module',
+    'Class',
+    'Instance',
+    'Function',
+    'Generator',
+    'raises',
+
+
+]
+
+if __name__ == '__main__':
+    # if run as a script or by 'python -m pytest'
+    # we trigger the below "else" condition by the following import
+    import pytest
+    raise SystemExit(pytest.main())
+else:
+
+    from _pytest.compat import _setup_collect_fakemodule
+    _preloadplugins()  # to populate pytest.* namespace so help(pytest) works
+    _setup_collect_fakemodule()