Getting an error when used with open_api_spex

[la-j]

Handler {TelemetryMetricsStatsd.EventHandler, #PID<0.4545.0>,
 [:phoenix, :router_dispatch, :stop]} has failed and has been detached. Class=:error
Reason=%ArgumentError{
  message: "cannot convert the given list to a string.

To be converted to a string, a list must either be empty or only
contain the following elements:

  * strings
  * integers representing Unicode code points
  * a list containing one of these three elements

Please check the given list or call inspect/1 to get the list representation, got:

[path: \"/api/openapi\"]
"
}
Stacktrace=[
  {List, :to_string, 1, [file: ~c"lib/list.ex", line: 1084]},
  {TelemetryMetricsStatsd.Formatter.Datadog, :format_tag, 2,
   [file: ~c"lib/telemetry_metrics_statsd/formatter/datadog.ex", line: 66]},
  {TelemetryMetricsStatsd.Formatter.Datadog, :combine_tags, 1,
   [file: ~c"lib/telemetry_metrics_statsd/formatter/datadog.ex", line: 58]},
  {TelemetryMetricsStatsd.Formatter.Datadog, :format_metric_tags, 1,
   [file: ~c"lib/telemetry_metrics_statsd/formatter/datadog.ex", line: 51]},
  {TelemetryMetricsStatsd.Formatter.Datadog, :format, 3,
   [file: ~c"lib/telemetry_metrics_statsd/formatter/datadog.ex", line: 17]},
  {TelemetryMetricsStatsd.Formatter, :format, 5,
   [file: ~c"lib/telemetry_metrics_statsd/formatter.ex", line: 24]},
  {Enum, :"-map/2-lists^map/1-1-", 2, [file: ~c"lib/enum.ex", line: 1703]},
  {TelemetryMetricsStatsd.EventHandler, :handle_event, 4,
   [file: ~c"lib/telemetry_metrics_statsd/event_handler.ex", line: 58]}
]

Getting this error when visiting our openapi swaggerui url

[arkgil]

@la-j can you share the code where you initialize TelemetryMetricsStatsd?