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Joris Van den Bossche authored and GitHub committed 1a8972be799
GH-36553: [Python] Improve error message if certain submodule (cython or cpp) is not built (#36554) ### Rationale for this change Improving the error message when a submodule is not built (by catching the ImportError and re-raising it reworded) * Closes: #36553 Authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com> Signed-off-by: Sutou Kouhei <kou@clear-code.com>