Reenable pypy now that scandir can be installed without a compiler
Reenable pypy now that scandir can be installed without a compiler

Ref: benhoyt/scandir#105
Ref: #3111

ddboline/pytest,Akasurde/pytest,hackebrot/pytest,nicoddemus/pytest,The-Compiler/pytest,tomviner/pytest,davidszotten/pytest,pfctdayelise/pytest,markshao/pytest,txomon/pytest,The-Compiler/pytest,RonnyPfannschmidt/pytest,tomviner/pytest,nicoddemus/pytest,alfredodeza/pytest,pytest-dev/pytest