BUILD: ValueError raised when importing pandas due to numpy.ndarray size change

[luke396]

Installation check

• I have read the installation guide.

Platform

Linux-5.15.90.1-microsoft-standard-WSL2-x86_64-with-glibc2.31

Installation Method

pip install

pandas Version

2.1.0.dev0+1210.gaa4922a96b

Python Version

3.10.12

Installation Logs

I followed the instructions provided at https://pandas.pydata.org/docs/dev/development/contributing_environment.html and successfully installed pandas using mamba with the command python -m pip install -ve . --no-build-isolation --config-settings editable-verbose=true.

However, when attempting to import pandas using either pytest pandas or import pandas, I encountered the following error: ValueError: numpy.ndarray size changed, which may indicate binary incompatibility. Expected 96 from C header, but got 88 from PyObject.

I found a related issue at #49683, where it was suggested to use pip install oldest-supported-numpy maybe resolve the problem. However, this command installs numpy-1.21.6 and did not work for me.

Fortunately, I received help from @Dr-Irv on Slack, who recommended using the following command: mamba install numpy=1.23.2 -c conda-forge. This solution worked for me.

I spent a significant amount of time attempting various approaches without success. As a result, I am documenting this solution to assist anyone who may encounter a similar problem in the future, thereby saving them time and effort.

[munneb10]

I recommend you to setup using Conda it will be work seamlessly. I have also tried mamba it does'nt work fine