ModuleNotFoundError: No module named 'worlds' while running server.py

[timsoraro]

Bug description
Running the server.py script result in module no found error.

Reproduction steps

1. Clone current repo.
2. Run python setup.py development
3. Run inside webapp: python server.py --sandbox

Expected behavior
The server is showing in http://localhost:8095 but when trying to click on a task I'm running into the error below in the screenshot.

Screenshots

[stephenroller]

Looks like the PersonaChat task needs some upgrades.

My guess is that the import should be upgraded to from .worlds import PersonaChatWorld, PersonaProfileWorld, PersonaGenerator

[stephenroller]

Small nit: Idk if python setup.py development also works or if only python setup.py develop does.

cc @JackUrb for the wider issue.

[timsoraro]

My guess is that the import should be upgraded to from .worlds import PersonaChatWorld, PersonaProfileWorld, PersonaGenerator

That worked! Thanks!

Feel free to close this issue or keep it open.

[stephenroller]

Would you mind submitting a patch? Would be great to have this fixed for everyone.

[timsoraro]

I'm sorry, I'm not proficient enough with git to have the know-how to do so. But as you said that will require a (simple) change in all the "tasks" folder, I guess.

[stephenroller]

can you run git diff -- parlai/mturk/tasks and paste the result here?

[timsoraro]

I hope it doesn't catch some unnecessary changes I did:

diff --git a/parlai/mturk/tasks/personachat/personachat_chat/run.py b/parlai/mturk/tasks/personachat/personachat_chat/run.py
index e5553c8b..3a474dbc 100644
--- a/parlai/mturk/tasks/personachat/personachat_chat/run.py
+++ b/parlai/mturk/tasks/personachat/personachat_chat/run.py
@@ -5,8 +5,8 @@
 # LICENSE file in the root directory of this source tree.
 from parlai.core.params import ParlaiParser
 from parlai.mturk.core.mturk_manager import MTurkManager
-from worlds import PersonaChatWorld, PersonaProfileWorld, PersonasGenerator
-from task_config import task_config
+from .worlds import PersonaChatWorld, PersonaProfileWorld, PersonasGenerator
+from .task_config import task_config
 
 import os
 
diff --git a/parlai/mturk/tasks/personachat/personachat_chat/worlds.py b/parlai/mturk/tasks/personachat/personachat_chat/worlds.py
index 7a45a7a0..5f8dd2b7 100644
--- a/parlai/mturk/tasks/personachat/personachat_chat/worlds.py
+++ b/parlai/mturk/tasks/personachat/personachat_chat/worlds.py
@@ -7,7 +7,7 @@ from parlai.mturk.core.worlds import MTurkOnboardWorld
 from parlai.mturk.core.agents import TIMEOUT_MESSAGE
 from parlai.core.worlds import validate, MultiAgentDialogWorld
 from joblib import Parallel, delayed
-from extract_and_save_personas import main as main_extract
+from .extract_and_save_personas import main as main_extract
 import numpy as np
 import time
 import os

The only change relevant to this issue is adding the a dot before the files.

[stephenroller]

Thanks!

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