# File lib/tweetstream/client.rb, line 434 def normalize_filter_parameters(query_parameters = {}) [:follow, :track, :locations].each do |param| if query_parameters[param].kind_of?(Array) query_parameters[param] = query_parameters[param].flatten.collect{|q| q.to_s}.join(',') elsif query_parameters[param] query_parameters[param] = query_parameters[param].to_s end end query_parameters end