ENH groupby: more user-friendly error message (GH7511)
Merge pull request #8281 from bthyreau/fix_grouper_errormessage

ENH groupby: more user-friendly error message (GH7511)
Avoid transaction context-managers for legacy SQL drivers (GH8277)

Eliminating contextmanager based transaction-handling

Rewriting as contextmanager

Code review fixes

Changing sqlalchemy version to 0.7.10 for python2.6
Merge pull request #8278 from artemyk/remove_context_transactions

Eliminating contextmanager based transaction-handling
Improve to_html() for single index
Add test case for index=False truncation