Reduce import overhead to improve runtime #1821
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Signed-off-by: cosmicBboy <niels.bantilan@gmail.com>
Signed-off-by: cosmicBboy <niels.bantilan@gmail.com>
Signed-off-by: cosmicBboy <niels.bantilan@gmail.com>
Signed-off-by: cosmicBboy <niels.bantilan@gmail.com>
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@bluenote10 you might be happy to know that I managed to get import and validation time of pandas to below 0.5 seconds (for pandas, at least). Pandera no longer does unnecessary imports of additional libraries (e.g. dask, modin, pyspark, etc) unless you're actually validating a dataframe of that type. |
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@cosmicBboy Sounds great, thanks for optimizing this further! |
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This PR optmizes the import runtime by lazily importing alternative dataframe libraries that are supported by the pandas backend, e.g. dask, modin, and pyspark.