@property<EOL><INDENT>def span(self):<DEDENT>
span = SegmentList()<EOL>for value in self.values():<EOL><INDENT>span.append(value.span)<EOL><DEDENT>try:<EOL><INDENT>return span.extent()<EOL><DEDENT>except ValueError as exc:  <EOL><INDENT>exc.args = (<EOL>'<STR_LIT>'.format(<EOL>type(self).__name__),<EOL>)<EOL>raise<EOL><DEDENT>
The GPS ``[start, stop)`` extent of data in this `dict`

        :type: `~gwpy.segments.Segment`