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https://issues.apache.org/jira/browse/ARROW-4561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16767896#comment-16767896
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Ganesh Bhat commented on ARROW-4561:
------------------------------------
Yes, you were right. On the anaconda promt, I did an uninstall using pip &
conda for feather-format and pyarrow and then again installed both the packages
using conda but I got a new error even after restarting Jupyter Notebook. Error
highlighted in bold. Basically, the notebook is not able to locate
feather-format. Please note I have installed the fastai packages as per the
link - [https://forums.fast.ai/t/fastai-v0-7-install-issues-thread/24652]
Anaconda was previously installed.
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call last) RuntimeError: module compiled
against API version 0xc but this version of numpy is 0xa
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
D:\Anaconda3\envs\fastai\lib\site-packages\pandas\io\feather_format.py in
_try_import() 13 try: ---> 14 import feather 15 except ImportError:
D:\Anaconda3\envs\fastai\lib\site-packages\feather\__init__.py in <module> 16
---> 17 from feather.api import (read_dataframe, write_dataframe, 18
FeatherError, FeatherReader, FeatherWriter)
D:\Anaconda3\envs\fastai\lib\site-packages\feather\api.py in <module> 14 --->
15 from pyarrow.feather import (read_feather as read_dataframe, # noqa 16
write_feather as write_dataframe,
D:\Anaconda3\envs\fastai\lib\site-packages\pyarrow\__init__.py in <module> 53
---> 54 from pyarrow.lib import cpu_count, set_cpu_count 55 from pyarrow.lib
import (null, bool_, D:\Anaconda3\envs\fastai\lib\site-packages\pyarrow\lib.pyx
in init pyarrow.lib() ImportError: numpy.core.multiarray failed to import
During handling of the above exception, another exception occurred: ImportError
Traceback (most recent call last) <ipython-input-22-1183c5952e65> in <module>
1 os.makedirs('tmp', exist_ok=True) ----> 2
df_raw.to_feather('tmp/bulldozers-raw')
D:\Anaconda3\envs\fastai\lib\site-packages\pandas\core\frame.py in
to_feather(self, fname) 1890 """ 1891 from pandas.io.feather_format import
to_feather -> 1892 to_feather(self, fname) 1893 1894 def to_parquet(self,
fname, engine='auto', compression='snappy',
D:\Anaconda3\envs\fastai\lib\site-packages\pandas\io\feather_format.py in
to_feather(df, path) 49 raise ValueError("feather only support IO with
DataFrames") 50 ---> 51 feather = _try_import() 52 valid_types = {'string',
'unicode'} 53
D:\Anaconda3\envs\fastai\lib\site-packages\pandas\io\feather_format.py in
_try_import() 16 17 *# give a nice error message ---> 18 raise
ImportError("the feather-format library is not installed\n" 19 "you can
install via conda\n" 20 "conda install feather-format -c conda-forge\n"
ImportError: the feather-format library is not installed you can install via
conda conda install feather-format -c conda-forge or via pip pip install -U
feather-format*
> module 'pyarrow' has no attribute 'compat'
> ------------------------------------------
>
> Key: ARROW-4561
> URL: https://issues.apache.org/jira/browse/ARROW-4561
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.11.0, 0.11.1
> Reporter: Ganesh Bhat
> Priority: Major
>
> Hi,
> I am trying to create feather format using pyarrow in jupyer notebook and am
> getting the error as below. I am running jupyter notebook using Anaconda on
> Windows 10.
> I have installed feather format and pyarrow version 0.10.0, 0.11.0 & 0.11.1
> and the issue still remains
> <code> df_raw.to_feather('tmp/bulldozers-raw') </code>
>
> <error>
> AttributeError Traceback (most recent call last)
> <ipython-input-31-1183c5952e65> in <module> 1 os.makedirs('tmp',
> exist_ok=True) ----> 2 df_raw.to_feather('tmp/bulldozers-raw')
> D:\Anaconda3\envs\fastai\lib\site-packages\pandas\core\frame.py in
> to_feather(self, fname) 1890 """ 1891 from pandas.io.feather_format import
> to_feather -> 1892 to_feather(self, fname) 1893 1894 def to_parquet(self,
> fname, engine='auto', compression='snappy',
> D:\Anaconda3\envs\fastai\lib\site-packages\pandas\io\feather_format.py in
> to_feather(df, path) 49 raise ValueError("feather only support IO with
> DataFrames") 50 ---> 51 feather = _try_import() 52 valid_types =
> {'string', 'unicode'}
> 53 D:\Anaconda3\envs\fastai\lib\site-packages\pandas\io\feather_format.py in
> _try_import() 12 13 try: ---> 14 import feather 15 except ImportError: 16
> D:\Anaconda3\envs\fastai\lib\site-packages\feather__init__.py in <module> 15
> # flake8: noqa 16 ---> 17 from feather.api import (read_dataframe,
> write_dataframe, 18 FeatherError, FeatherReader, FeatherWriter) 19 from
> feather.version import version as __version__
> D:\Anaconda3\envs\fastai\lib\site-packages\feather\api.py in <module> 13 #
> limitations under the License. 14 ---> 15 from pyarrow.feather import
> (read_feather as read_dataframe, # noqa 16 write_feather as write_dataframe,
> 17 FeatherError,
> D:\Anaconda3\envs\fastai\lib\site-packages\pyarrow__init__.py in <module> 43
> 44 ---> 45 import pyarrow.compat as compat 46 47 # Workaround for
> https://issues.apache.org/jira/browse/ARROW-2657 AttributeError: module
> 'pyarrow' has no attribute 'compat'
> </error>
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