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# Cognite ML: Data Modeling Hands-on Lab

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I am attempting to run the python file associated with the Data Modeling hands-on lab (https://colab.research.google.com/drive/11NdrGUzFhbwsOlKqXVfYRqu9s1DzAw4b?usp=sharing). I am receiving the same error every time the ‘plot’ function is called:

TypeError: Cannot interpret '<attribute 'dtype' of 'numpy.generic' objects>' as a data type”.

After some debugging, the data seems to be in a dataframe data type. I suspect there is some version discrepancy between numpy and pandas, has anyone else seen this error?

Thank you,

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Best answer by Viraj Dhanusha 20 January 2023, 16:06

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I’m Viraj from Cognite support and thank you for reporting  issues in Cognite Hub.

I could not see that this error was reported before for Cognite support.

Unfortunately I could not reproduce your issue but it seems that the issue is related to the some version discrepancy between numpy and pandas as you mentioned. With the latest versions, the code ran successfully.

You can use

pip install numpy --upgrade!pip3 install --upgrade pandas

Best regards,
Viraj

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