Added failing pytest test as runnable example

MANIFEST.in

@@ -1,5 +1,6 @@
 include *requirements.txt
 include README.rst
 include LICENSE
-recursive-include docs *
 recursive-include specs *.py
+recursive-include examples *.txt *.py
+recursive-include docs *

examples/requirements.txt

@@ -0,0 +1 @@
+pytest

examples/test_pytest.py

@@ -0,0 +1,7 @@
+# -*- coding: utf-8 -*-
+
+from expects import *
+
+
+def test_failing():
+    expect("foo").to(equal("bar"))

expects/expectations.py

@@ -9,20 +9,24 @@ def __init__(self, subject):
     @property
     def not_to(self):
         __tracebackhide__ = True
+
         self._negated = True
         return self.to
 
     @property
     def to_not(self):
         __tracebackhide__ = True
+
         return self.not_to
 
     def to(self, matcher):
         __tracebackhide__ = True
+
         self._assert(matcher)
 
     def _assert(self, matcher):
         __tracebackhide__ = True
+
         ok, reasons = self._match(matcher)
 
         if not ok:

setup.py

@@ -13,7 +13,7 @@
     author='Jaime Gil de Sagredo Luna',
     author_email='jaimegildesagredo@gmail.com',
     license='Apache 2.0',
-    packages=find_packages(exclude=['specs', 'specs.*']),
+    packages=find_packages(exclude=['specs', 'specs.*', 'examples', 'examples.*']),
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',