keepalive: pass the correct arguments to HTTPResponse
python2.7's httplib.HTTPResponse takes the arguments in the following order:
sock, debuglevel, strict, method, buffering
This was previously passing them in as positional and skipped strict, so we set
strict=method. I'm explicitly setting strict=True now to preserve the previous
behavior that has been there since this file was created.
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<link rel="self" href="{urlbase}{url|urlescape}atom-log/tip/{file|urlescape}"/>
<title>{repo|escape}: {file|escape} history</title>
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{entries%changelogentry}
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