Juntao Hu created FLINK-30969:
---------------------------------
Summary: Pyflink table example throws "module 'pandas' has no
attribute 'Int8Dtype'"
Key: FLINK-30969
URL: https://issues.apache.org/jira/browse/FLINK-30969
Project: Flink
Issue Type: Bug
Components: API / Python
Affects Versions: 1.17.0
Reporter: Juntao Hu
Fix For: 1.17.0, 1.18.0
After apache-beam is upgraded to 2.43.0 in 1.17, running `python
pyflink/examples/table/basic_operations.py` will throw error:
{code:java}
Traceback (most recent call last):
File "pyflink/examples/table/basic_operations.py", line 484, in <module>
basic_operations()
File "pyflink/examples/table/basic_operations.py", line 29, in
basic_operations
t_env = TableEnvironment.create(EnvironmentSettings.in_streaming_mode())
File
"/Users/vancior/Documents/Github/flink-back/flink-python/pyflink/table/table_environment.py",
line 121, in create
return TableEnvironment(j_tenv)
File
"/Users/vancior/Documents/Github/flink-back/flink-python/pyflink/table/table_environment.py",
line 100, in __init__
self._open()
File
"/Users/vancior/Documents/Github/flink-back/flink-python/pyflink/table/table_environment.py",
line 1640, in _open
startup_loopback_server()
File
"/Users/vancior/Documents/Github/flink-back/flink-python/pyflink/table/table_environment.py",
line 1631, in startup_loopback_server
from pyflink.fn_execution.beam.beam_worker_pool_service import \
File
"/Users/vancior/Documents/Github/flink-back/flink-python/pyflink/fn_execution/beam/beam_worker_pool_service.py",
line 31, in <module>
from apache_beam.options.pipeline_options import DebugOptions
File
"/Users/vancior/miniconda3/envs/flink-python/lib/python3.8/site-packages/apache_beam/__init__.py",
line 92, in <module>
from apache_beam import coders
File
"/Users/vancior/miniconda3/envs/flink-python/lib/python3.8/site-packages/apache_beam/coders/__init__.py",
line 17, in <module>
from apache_beam.coders.coders import *
File
"/Users/vancior/miniconda3/envs/flink-python/lib/python3.8/site-packages/apache_beam/coders/coders.py",
line 59, in <module>
from apache_beam.coders import coder_impl
File "apache_beam/coders/coder_impl.py", line 63, in init
apache_beam.coders.coder_impl
File
"/Users/vancior/miniconda3/envs/flink-python/lib/python3.8/site-packages/apache_beam/typehints/__init__.py",
line 31, in <module>
from apache_beam.typehints.pandas_type_compatibility import *
File
"/Users/vancior/miniconda3/envs/flink-python/lib/python3.8/site-packages/apache_beam/typehints/pandas_type_compatibility.py",
line 81, in <module>
(pd.Int8Dtype(), Optional[np.int8]),
AttributeError: module 'pandas' has no attribute 'Int8Dtype' {code}
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