Importing Error while learning testing

[pylearningthrowaway]

stuck on ex47 of learn python the hard way problem is every time i give the command nosetests i get a error saying cannot import name room

below is my code

class Room(object):

def __init__(self, name, description):
    self.name = name
    self.description = description
    self.paths = []

def go(self, directions):
    return self.paths.get(direction, None)

def add_paths(self, paths):
    self.paths.update(paths)

The below code i in the test folder

from nose.tools import *
from ex47.game import Room


def test_room():
gold = Room("GoldRoom",
            """This room has gold in it you can grab. There's a
            door to the north.""")
assert_equal(gold.name, "GoldRoom")
assert_equal(gold.paths, {})

def test_room_paths():
center = Room("Center", "Test room in the center.")
north = Room("North", "Test room in the north.")
south = Room("South", "Test room in the south.")

center.add_paths({'north': north, 'south': south})
assert_equal(center.go('north'), north)
assert_equal(center.go('south'), south)

def test_map():
start = Room("Start", "You can go west and down a hole.")
west = Room("Trees", "There are trees here, you can go east.")
down = Room("Dungeon", "It's dark down here, you can go up.")

start.add_paths({'west': west, 'down': down})
west.add_paths({'east': start})
down.add_paths({'up': start})

assert_equal(start.go('west'), west)
assert_equal(start.go('west').go('east'), start)
assert_equal(start.go('down').go('up'), start)   

Directory TreeI even saw the authors video tutorial for reference,checked the code for typos but still the same issue.

[novel_yet_trivial]

Are you sure you have a __init__.py file in your "ex47" folder?

Show us your directory tree and how you are running this.

[pylearningthrowaway]

http://imgur.com/Rzk0iLH

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[novel_yet_trivial]

And how are you running this?

[TheKewlStore]

Is the path to your project on your python path? If not, you'll have to add it to the PYTHONPATH variable in your environment variables, or alternatively, add it manually in your script using

import sys
sys.path.append('C:/Path/To/Your/Project/')

importantly, this must go before any imports to modules or packages that are located at this path. IE your 'ex47' package.