D14005: Fix displaying commands source code in sage backend

[Antonio Rojas]

arojas created this revision.
arojas added reviewers: filipesaraiva, sirgienko.
Restricted Application added a project: KDE Edu.
Restricted Application added a subscriber: kde-edu.
arojas requested review of this revision.

REVISION SUMMARY
  Typing foo?? in sage displays the source code of the foo command. This doesn't work in cantor, since it converts it to help(foo?), which gives an error.

TEST PLAN
  foo?? displays the source code of foo, foo? displays help for foo as before

REPOSITORY
  R55 Cantor

REVISION DETAIL
  https://phabricator.kde.org/D14005

AFFECTED FILES
  src/backends/sage/sagesession.cpp

To: arojas, filipesaraiva, sirgienko
Cc: kde-edu, narvaez, apol
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