TypeError/unbound local error - help!

I'm new to python and stuck with this error....help?

import graphics
from graphics import*

def house():
    win=GraphWin(800,500)
    win.setCoords(0.0,0.0,3.0,4.0)#reset coordinates
    Text(Point(1.5,3.5),"click spot to designate 2 corners of house").draw(win)
    p1=win.getMouse()
    side1=(Point(p1.getX(),(p1.getY()))).draw(win)
    p2=win.getMouse()
    side2=(Point(p2.getX(),(p2.getY()))).draw
    rectangle = Rectangle(Point(p1.getX()),(Point(p1.getY()))).draw(win)
    house = ((side2.getX()-(side1.getX))).draw(win)
    return house
house()

Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 10:38:22) [MSC v.1600 32 bit (Intel)]   on win32
Type "copyright", "credits" or "license()" for more information.

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Traceback (most recent call last):
  File "E:\ICS 140\ass 8.py", line 23, in <module>
    house()
  File "E:\ICS 140\ass 8.py", line 20, in house
    Rectangle = Rectangle(Point(p1.getX()),(Point(p1.getY()))).draw(win)
UnboundLocalError: local variable 'Rectangle' referenced before assignment

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Traceback (most recent call last):
  File "E:\ICS 140\ass 8.py", line 23, in <module>
    house()
  File "E:\ICS 140\ass 8.py", line 20, in house
    rectangle = Rectangle(Point(p1.getX()),(Point(p1.getY()))).draw(win)
TypeError: __init__() missing 1 required positional argument: 'y'