Changes

== Miscellaneous ==

== Miscellaneous ==

* Use logging.debug('foo %r bar', x) instead of logging.debug('foo %r bar' % x). This is more robust and formatting only happens if we actually log something.

* Use logging.debug('foo %r bar', x) instead of logging.debug('foo %r bar' % x). This is more robust and formatting only happens if we actually log something.

* When you catch an exception and want to log it, use traceback.format_exc().

* When you catch an exception and want to log it, use logging.exception(), this will print the whole backtrace and exception information which is very useful when debugging.

== Tools ==

== Tools ==