Updated person.py in warehouse example

Updated person.py  in all three phases of warehouse example to match
formatting of other code in the example.

examples/warehouse/Readme.txt

@@ -1,5 +1,5 @@
 This example is the code from the Pyro tutorial where we build a simple
-ware house that stores items.
+warehouse that stores items.
 
 The idea is that there is one big warehouse that everyone can store items
 in, and retrieve other items from (if they're in the warehouse).

examples/warehouse/phase1/person.py

@@ -8,16 +8,19 @@
 class Person(object):
     def __init__(self, name):
         self.name = name
+
     def visit(self, warehouse):
         print("This is {0}.".format(self.name))
         self.deposit(warehouse)
         self.retrieve(warehouse)
         print("Thank you, come again!")
+
     def deposit(self, warehouse):
         print("The warehouse contains:", warehouse.list_contents())
         item = input("Type a thing you want to store (or empty): ").strip()
         if item:
             warehouse.store(self.name, item)
+
     def retrieve(self, warehouse):
         print("The warehouse contains:", warehouse.list_contents())
         item = input("Type something you want to take (or empty): ").strip()

examples/warehouse/phase2/person.py

@@ -8,16 +8,19 @@
 class Person(object):
     def __init__(self, name):
         self.name = name
+
     def visit(self, warehouse):
         print("This is {0}.".format(self.name))
         self.deposit(warehouse)
         self.retrieve(warehouse)
         print("Thank you, come again!")
+
     def deposit(self, warehouse):
         print("The warehouse contains:", warehouse.list_contents())
         item = input("Type a thing you want to store (or empty): ").strip()
         if item:
             warehouse.store(self.name, item)
+
     def retrieve(self, warehouse):
         print("The warehouse contains:", warehouse.list_contents())
         item = input("Type something you want to take (or empty): ").strip()

examples/warehouse/phase3/person.py

@@ -8,16 +8,19 @@
 class Person(object):
     def __init__(self, name):
         self.name = name
+
     def visit(self, warehouse):
         print("This is {0}.".format(self.name))
         self.deposit(warehouse)
         self.retrieve(warehouse)
         print("Thank you, come again!")
+
     def deposit(self, warehouse):
         print("The warehouse contains:", warehouse.list_contents())
         item = input("Type a thing you want to store (or empty): ").strip()
         if item:
             warehouse.store(self.name, item)
+
     def retrieve(self, warehouse):
         print("The warehouse contains:", warehouse.list_contents())
         item = input("Type something you want to take (or empty): ").strip()