bad variable in browse::get_category_playlists()

[apsteinmetz]

Check reveals this:
[1] 3

get_category_playlists('party', country = 'BR')
Error in as.character(url) :
cannot coerce type 'closure' to vector of type 'character'
Calls: get_category_playlists ... handle_name -> build_url -> stopifnot -> is.url -> parse_url
Execution halted

This line:
res <- RETRY('GET', url, query = params, encode = 'json', terminate_on = c(401, 403, 404))
does not reference "url" as a string variable, but the function "url()"

I think "query_url" what is meant
res <- RETRY('GET', query_url, query = params, encode = 'json', terminate_on = c(401, 403, 404))

The function passes check this way.

Originally posted by @apsteinmetz in #160 (comment)

[antaldaniel]

@apsteinmetz Thank you very much, very sharp eyes! I went back to this issue many times, and did not spot the obvious error that you did. Included in 2.2.3.