fix error when user puts wrong password

Signed-off-by: Matheus Horstmann <mch15@inf.ufpr.br>

app/controllers/sessions_controller.rb

@@ -21,20 +21,23 @@ class SessionsController < Devise::SessionsController
     # yield resource if block_given?
     # respond_with resource, location: after_sign_in_path_for(resource)
 
-    # Get status of current city
-    current_city = CityHall.find_by(city_id: current_citizen.city_id)
 
     # Get resource
     self.resource = warden.authenticate!(auth_options)
     # Check if resource is not null and if a citizen has been signed_in
     if !resource.nil? && citizen_signed_in?
 
+
+      # Get status of current city
+      current_city = CityHall.find_by(city_id: current_citizen.city_id)
+
+
       # if !resource.active
       #   sign_out(resource)
       #   flash[:alert] = "Sua conta está inativa, por favor contate o administrador!"
       #   return redirect_to root_path
       # end
-      
+
       # Set expiretion time to send message when expiring session
       session[:expires_at] = Time.current + 24.hours
       # Set variable to show loading bar
@@ -81,7 +84,7 @@ class SessionsController < Devise::SessionsController
     # set_flash_message(:notice, :signed_in) if is_navigational_format?
     # sign_in(resource_name, resource)
     # respond_with resource, :location => root_path
-    
+
   end
 
 end