Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/home/pethor/temp/ray/python/ray/__init__.py", line 28, in <module>

import pyarrow
# noqa: F401


 "/home/pethor/temp/ray/python/ray/pyarrow_files/pyarrow/__init__.py", line 54, in <module>

from pyarrow.lib import cpu_count, set_cpu_count
ImportError: /home/pethor/temp/ray/python/ray/pyarrow_files/pyarrow/libparquet.so.11: undefined symbol: _ZNK5boost16re_detail_10650131cpp_regex_traits_implementationIcE17transform_primaryEPKcS4_

Traceback (most recent call last):


 "./contrib_bots/run.py", line 13, in <module>

from bot_lib import run_message_handler_for_bot


 "/srv/zulip/contrib_bots/bot_lib.py", line 16, in <module>

from zulip import Client
ImportError: No module named 'zulip'
