tennistravel: tennistravel

utils::globalVariables(c("tennis_data", "arrival", "conversion_factors", "departure",
                         "dist", "dist_per_tourn", "flightclass", "footprint",
                         "footprint_per_tourn", "infos", "lat", "lat_a", "lat_d", 
                         "long", "long_a", "long_d", "player_iso", "player_iso_2",
                         "player_name", "tourney_location", "tourney_month",
                         "tourney_year", "."))