Repair the installed public CLI: the console script resolves
data2dsl_cli:main, but the explicitly enumerated wheel modules omit
data2dsl_cli.py.
data2dsl_cli.py and its existing local
runtime imports.data2dsl --self-test.data2dsl_cli.py,
data2dsl_discovery.py and the console entry-point metadata.data2dsl --self-test outside
the checkout; the imported CLI path was inside site-packages.33303797009 approved exact head
e5808276884873c1daa102d5385bf7baf2310584; PR #67 merged it as
5ac04deb17003b7d815f301984beec9c8873655e.