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This is essentially a duplicate of #1514693, which was fixed
with r47210.

Please provide patches as unified diffs in the future; they
would be much easier to process that way. See

http://www.python.org/dev/patches/

I don't think the top-level degrees functions should grow a
fullcircle argument: this is only to simplify the
implementation (i.e. having the state-changing code in a
single function). The end user is not expected to pass an
argument to degrees() or radians().