fix definable_listeners

lib/live/definable.rb

@@ -1,6 +1,6 @@
 require 'dotenv'
 
-DEFINABLE_THREAD_GROUP ||= ThreadGroup.new # rubocop:disable Lint/OrAssignmentToConstant
+# DEFINABLE_THREAD_GROUP ||= ThreadGroup.new
 DEFINABLE_LISTENERS ||= [] # rubocop:disable Lint/OrAssignmentToConstant
 
 module Live
@@ -97,19 +97,15 @@ module Live
     end
 
     def start_listener
-      DEFINABLE_LISTENERS.each(&:stop) # FIXME: issue on stop after multiple reload!!! Learn mode about listener: #close
+      DEFINABLE_LISTENERS.each(&:stop)
       DEFINABLE_LISTENERS.clear
-      DEFINABLE_THREAD_GROUP.list.each(&:kill)
-
-      DEFINABLE_THREAD_GROUP.add(Thread.new do
       listener = Listen.to(Rails.root, only: /^\.env\.?/) do
         @@class_origin.reload_from_env
-        rescue StandardError
-          nil
+      rescue StandardError => e
+        logger.error('unable to reload from env', e)
       end
-        DEFINABLE_LISTENERS << listener
       listener.start
-      end)
+      DEFINABLE_LISTENERS << listener
     end
 
     def typed_value(type, raw, default)

lib/semantic/abstract_formatter.rb

@@ -29,7 +29,7 @@ module Semantic
       clazz = colorize("#{exc.class}\n", color_map[:fatal])
       message = colorize(exc.message.chomp(''), color_map[:error])
       backtrace = exc.backtrace
-      stack = Helper.stackisize(*backtrace)
+      stack = Semantic::Helper.stackisize(*backtrace)
       ["#{clazz}#{message}", stack].compact.join("\n")
     end