Use httpc module instead of http module.

src/oauth_client.erl

@@ -68,7 +68,7 @@ oauth_get(header, URL, Params, Consumer, Token, TokenSecret) ->
   Signed = oauth:signed_params("GET", URL, Params, Consumer, Token, TokenSecret),
   {AuthorizationParams, QueryParams} = lists:partition(fun({K, _}) -> lists:prefix("oauth_", K) end, Signed),
   Request = {oauth:uri(URL, QueryParams), [oauth:header(AuthorizationParams)]},
-  http:request(get, Request, [{autoredirect, false}], []);
+  httpc:request(get, Request, [{autoredirect, false}], []);
 oauth_get(querystring, URL, Params, Consumer, Token, TokenSecret) ->
   oauth:get(URL, Params, Consumer, Token, TokenSecret).
 

src/oauth_http.erl

@@ -10,7 +10,7 @@ post(URL, Data) ->
   request(post, {URL, [], "application/x-www-form-urlencoded", Data}).
 
 request(Method, Request) ->
-  http:request(Method, Request, [{autoredirect, false}], []).
+  httpc:request(Method, Request, [{autoredirect, false}], []).
 
 response_params(Response) ->
   oauth_uri:params_from_string(response_body(Response)).