[Python] I have a simplified text based game. Everything is working except the error message...

This is an assignment with requirements that the player be able to move room to room, use the string "exit" to end the game and recieve an error message when trying to move a direction that is not an exit in the current room.

It has to be a logic error the code works for everything else.

#Dictionary of rooms
rooms = {
'Great Hall': {'South': 'Bedroom'},
'Bedroom': {'North': 'Great Hall', 'East': 'Cellar'},
'Cellar': {'West': 'Bedroom'}
}

##player instructions N,S,E,W or exit
print('You may enter directions to move from room to room, or exit to end the game.')
print('For each direction enter the first letter of the word.')
print('Example, entering N will move you North.')
print('Commands are not case sensitive.')

##initialize player location in start room
player_location = 'Great Hall'

#direction input mapping
direction_map = {'n':'North', 's':'South', 'e': 'East', 'w':'West'}

while True:
##display player location and available exits
print(f'\nYou are currently in {player_location}')
print('Available directions:', ', '.join([d.title() for d in rooms[player_location].keys()]))

command = input("Enter a direction (N, S, E, W) or 'exit': ").strip().lower()



if command == 'exit':
print('Hope you enjoyed the game. Goodbye')
break

if command not in direction_map:
print("Invalid entry. Please enter N, S, E, W, or 'exit',")
continue

direction = direction_map[command]


#update players location if valid
if direction in rooms[player_location]:
player_location = rooms[player_location][direction]
print(f'You moved {direction} to the {player_location}.')
#check if the direction is available in the current room
else:
print('You are blocked by a wall.')


I started in the great hall and the only valid direction to leave this room is south. To test the error message I entered north. It seems to run through the loop without displaying the error messagee. I initially set the player_location = "Great Hall". When I check this in the debugger (pycharm) it looks like it isn't checking the dictionary for exits to the great hall. I'm lost on how to fix this, and I don't want to start all over because everything else is working.

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