pandas.errors.PossibleDataLossError#

exception pandas.errors.PossibleDataLossError[source]#

Exception raised when trying to open a HDFStore file when already opened.

This error is triggered when there is a potential risk of data loss due to conflicting operations on an HDFStore file. It serves to prevent unintended overwrites or data corruption by enforcing exclusive access to the file.

See also

HDFStore

Dict-like IO interface for storing pandas objects in PyTables.

HDFStore.open

Open an HDFStore file in the specified mode.

Examples

>>> store = pd.HDFStore("my-store", "a")
>>> store.open("w")
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