Pal, in Paris (4)
'pal in paris' is the definition.
('friend' in French)
This is all the clue.
(Other definitions for ami that I've seen before include "buddy" , "Mon . . . - my French friend" , "friend abroad?" , "Parisian's friend" , "A male friend in France" .)
(Other definitions for amie that I've seen before include "French mistress" , "partner" , "love in Paris" , "Girlfriend" .)