Merge pull request #337 from alanwuha/master

fixed blank lines and whitespace warnings raised by tox

Author: faif

patterns/creational/pool.py

@@ -79,6 +79,7 @@ def main():
         print(sample_queue.get())
     """
 
+
 if __name__ == '__main__':
     import doctest
     doctest.testmod()

patterns/structural/3-tier.py

@@ -91,6 +91,7 @@ def main():
     That product 'arepas' does not exist in the records
     """
 
+
 if __name__ == "__main__":
     import doctest
     doctest.testmod()

patterns/structural/decorator.py

@@ -59,14 +59,15 @@ def main():
     """
     >>> simple_hello = TextTag("hello, world!")
     >>> special_hello = ItalicWrapper(BoldWrapper(simple_hello))
-    
+
     >>> print("before:", simple_hello.render())
     before: hello, world!
 
     >>> print("after:", special_hello.render())
     after: <i><b>hello, world!</b></i>
     """
 
+
 if __name__ == '__main__':
     import doctest
     doctest.testmod()

patterns/structural/front_controller.py

@@ -61,20 +61,21 @@ def __init__(self, request):
 def main():
     """
     >>> front_controller = RequestController()
-    
+
     >>> front_controller.dispatch_request(Request('mobile'))
     Displaying mobile index page
 
     >>> front_controller.dispatch_request(Request('tablet'))
     Displaying tablet index page
-    
+
     >>> front_controller.dispatch_request(Request('desktop'))
     cant dispatch the request
-    
+
     >>> front_controller.dispatch_request('mobile')
     request must be a Request object
     """
 
+
 if __name__ == "__main__":
     import doctest
     doctest.testmod()

patterns/structural/mvc.py

@@ -142,6 +142,7 @@ def main():
     That product "arepas" does not exist in the records
     """
 
+
 if __name__ == '__main__':
     import doctest
     doctest.testmod()