Contend with annexe inspection (7)

I believe the answer is:

viewing

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'inspection' is the definition.
Although both the answer and definition are singular nouns, I cannot see how one could define the other.

'contend with annexe' is the wordplay.
'contend with' becomes 'vie' (I've seen this in another clue).
'annexe' becomes 'wing' (synonyms).
'vie'+'wing'='VIEWING'

Can you help me to learn more?

(Other definitions for viewing that I've seen before include "people in front of TV?" , "Opportunity to see" , "What's done in front of the TV" , "Surveying" .)

I've seen this clue in The Guardian.

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