Bug#647455: python-debian: Deb822.iter_paragraphs() claims to work on strings, but actually requires lists of strings

[Stefano Rivera]

Package: python-debian
Version: 0.1.21
Severity: normal
Tags: patch

Deb822.__init__ says:
        :param sequence: a string, or any any object that returns a line of
            input each time, normally a file().  Alternately, sequence can
            be a dict that contains the initial key-value pairs.

and iter_paragraphs says:
        :param sequence: same as in __init__.

However, it breaks with a single string. Even the test suite passes a
list of strings.

Attached patch adds quick-and-dirty support for a single string.
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