Error when deploying app - pyarrow.lib dependency

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1

Here is the complete traceback and link to my repo

Traceback (most recent call last):

  File "/home/appuser/venv/bin/streamlit", line 5, in <module>

    from streamlit.web.cli import main

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/__init__.py", line 55, in <module>

    from streamlit.delta_generator import DeltaGenerator as _DeltaGenerator

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/delta_generator.py", line 38, in <module>

    from streamlit import config, cursor, env_util, logger, runtime, type_util, util

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/cursor.py", line 18, in <module>

    from streamlit.runtime.scriptrunner import get_script_run_ctx

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/runtime/__init__.py", line 16, in <module>

    from streamlit.runtime.runtime import Runtime as Runtime

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/runtime/runtime.py", line 28, in <module>

    from streamlit.runtime.app_session import AppSession

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/runtime/app_session.py", line 36, in <module>

    from streamlit.runtime import caching, legacy_caching

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/runtime/caching/__init__.py", line 21, in <module>

    from streamlit.runtime.state.session_state import WidgetMetadata

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/runtime/state/__init__.py", line 16, in <module>

    from streamlit.runtime.state.safe_session_state import (

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/runtime/state/safe_session_state.py", line 20, in <module>

    from streamlit.runtime.state.session_state import (

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/runtime/state/session_state.py", line 44, in <module>

    from streamlit.type_util import ValueFieldName, is_array_value_field_name

  File "/home/appuser/.conda/lib/python3.7/site-packages/streamlit/type_util.py", line 35, in <module>

    import pyarrow as pa

  File "/home/appuser/.conda/lib/python3.7/site-packages/pyarrow/__init__.py", line 65, in <module>

    import pyarrow.lib as _lib

ModuleNotFoundError: No module named 'pyarrow.lib'
2

Hi there @raj26000, is the issue happening locally as well? Could you try following this process detailed here?

3

Hey @TylerS, was able to resolve it. Had to select the correct python version from advanced settings while deploying. Explains why it was working fine locally.

Thanks.

4

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