   }
 
   func close() {
-    placeDelegate?.placeViewClosed?("")
+    placeDelegate?.placeViewClosed?(nil)
   }
 
   func done() {

      "types": placeType.description,
      "key": apiKey ?? ""
    ]
    
    if let bias = locationBias {
      params["location"] = bias.location
      params["radius"] = bias.radius.description
    }
    
    GooglePlacesRequestHelpers.doRequest(
      "https://maps.googleapis.com/maps/api/place/autocomplete/json",
      params: params

  public let latitude: Double
  public let longitude: Double
  public let radius: Int

  public init(latitude: Double = 0, longitude: Double = 0, radius: Int = 20000000) {
    self.latitude = latitude
    self.longitude = longitude
    self.radius = radius
  }

  public var location: String {
    return "\(latitude),\(longitude)"
  }
