Blocked revisions 70305 via svnmerge

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  r70305 | brett.cannon | 2009-03-10 21:51:06 -0700 (Tue, 10 Mar 2009) | 5 lines

  Require implementations for warnings.showwarning() support the 'line' argument.
  Was a DeprecationWarning for not supporting it since Python 2.6.

  Closes issue #3652.
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