```ruby
module TracksHelper

  def event_data_for(key)
    session[:event][key.to_sym] || session[:event][key.to_s]
  end

  def gender(user)
    if user.gender.present?
      I18n.t("tracking.user_data.gender.#{user.gender}")
    else
      I18n.t("tracking.user_data.gender.unknown")
  end

  def track_event(data = {})
    track_data = ""
    prefix = " data-track-event-"
    data.each do |key, value|
      track_data = track_data + prefix + key.to_s + '=' + value + " "
    end
  end

  def age(user)
    if user.date_of_birth.blank?
      I18n.t("tracking.user_data.age.unknown")
    else
      Age.in_years(user.date_of_birth)
    end
  end

  def verification_level(user)
    case
    when user.level_three_verified?
      I18n.t("tracking.user_data.verification_level.level_three")
    when user.level_two_verified?
      I18n.t("tracking.user_data.verification_level.level_two")
    else
      I18n.t("tracking.user_data.verification_level.level_one")
    end
  end

  def geozone(user)
    current_user.try(:geozone).try(:name) || I18n.t("tracking.user_data.district.unknown")
  end

end
```

Add missing end on if else clause
user
```ruby
module TracksHelper

  def event_data_for(key)
    session[:event][key.to_sym] || session[:event][key.to_s]
  end

  def gender(user)
    if user.gender.present?
      I18n.t("tracking.user_data.gender.#{user.gender}")
    else
      I18n.t("tracking.user_data.gender.unknown")
    end
  end

  def track_event(data = {})
    track_data = ""
    prefix = " data-track-event-"
    data.each do |key, value|
      track_data = track_data + prefix + key.to_s + '=' + value + " "
    end
  end

  def age(user)
    if user.date_of_birth.blank?
      I18n.t("tracking.user_data.age.unknown")
    else
      Age.in_years(user.date_of_birth)
    end
  end

  def verification_level(user)
    case
    when user.level_three_verified?
      I18n.t("tracking.user_data.verification_level.level_three")
    when user.level_two_verified?
      I18n.t("tracking.user_data.verification_level.level_two")
    else
      I18n.t("tracking.user_data.verification_level.level_one")
    end
  end

  def geozone(user)
    current_user.try(:geozone).try(:name) || I18n.t("tracking.user_data.district.unknown")
  end

end
```
assistant