tree fc324d37b87c8d229d726f41de8dfc3bc33fda3a
parent 1f733baa04a56eed0a5823158205fc04502e3050
author Guido van Rossum <guido@python.org> 1002488052 +0000
committer Guido van Rossum <guido@python.org> 1002488052 +0000
HG:extra convert_revision:svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/python/branches/legacy-trunk%4023571

Implement isinstance(x, (A, B, ...)).  Note that we only allow tuples,
not other sequences (then we'd have to except strings, and we'd still
be susceptible to recursive attacks).