Idiots upset MP in reshuffle (7)

I believe the answer is:

muppets

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'idiots' is the definition.
I know nothing about this answer so I cannot judge whether it can be defined by this definition.

'upset mp in reshuffle' is the wordplay.
'in reshuffle' is an anagram indicator (I've seen this in other clues).
'upset'+'mp'='upsetmp'
'upsetmp' is an anagram of 'MUPPETS'.

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I've seen this clue in The Telegraph.

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