Changes

Pywikibot 6.4.0
local data = mw.loadData( 'Module:British parliamentary session/data' )

local p = {}

function p.test( frame )

local inputDate
if frame == mw.getCurrentFrame() then
inputDate = frame:getParent().args[ 1 ]
local frameArgsDate = frame.args[ 1 ]
if frameArgsDate then
inputDate = frameArgsDate
end
else
inputDate = frame
end

inputDate = tonumber ( inputDate )

if inputDate >= os.time{day=1, month=1, year=1963} then
return os.date("%Y",inputDate)
else
for _, t in ipairs( data ) do
if inputDate >= t.sDate and inputDate <= t.eDate then
return t.citation
end
end
end
end

return p