[BUG] Task files could be downloaded automatically if no exist

[lightaime]

Required prerequisites

• I have read the documentation https://camel-ai.github.io/camel/camel.html.
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What version of camel are you using?

0.1.0

System information

3.7.3 (default, Mar 27 2019, 22:11:17)
[GCC 7.3.0] linux

Problem description

Task files could be downloaded automatically if no exist for examples/ai_society/role_playing_multiprocess.py and examples/code/role_playing_multiprocess.py

Reproducible example code

The Python snippets:

python examples/ai_society/role_playing_multiprocess.py
python examples/code/role_playing_multiprocess.py

Traceback

No response

Expected behavior

No response

Additional context

No response