I want to use the Defects4j dataset,when I do this follow the page of github: https://github.com/rjust/defects4j
$ defects4j checkout Lang
Can't locate DBI.pm in @INC
(you may need to install the DBI module)
(@INC contains:
/c/Users/Liu Fang/defects4j/framework/lib
/c/Users/Liu Fang/defects4j/framework
/c/Users/Liu Fang/defects4j/framework/core
/c/Users/Liu Fang/defects4j/framework/core
/usr/lib/perl5/site_perl
/usr/share/perl5/site_perl
/usr/lib/perl5/vendor_perl
/usr/share/perl5/vendor_perl
/usr/lib/perl5/core_perl
/usr/share/perl5/core_perl .
) at /c/Users/Liu Fang/defects4j/framework/core/DB.pm line 43.
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