old_contents: # -*- coding: utf-8 -*-
  
  # Execute this file to see what plugins will be loaded.
  
  # Implementation leans to Lex Toumbourou's example:
  # https://lextoumbourou.com/blog/posts/dynamically-loading-modules-and-classes-in-python/
  
  import os
  import pkgutil
  import sys
  
  
  def load_venue_plugins():
      """
      Read plugin directory and load found plugins.
      Variable "blacklisted" can be used to exclude loading certain plugins.
      """
      blacklisted = ["plugin_tiketti", "plugin_yotalo"]
      foundblacklisted = list()
      loadedplugins = list()
      pluginspathabs = os.path.join(os.path.dirname(__file__), "venues")
  
      for loader, plugname, ispkg in \
              pkgutil.iter_modules(path = [pluginspathabs]):
          if plugname in sys.modules:
              continue
          if plugname in blacklisted:
              foundblacklisted.append(plugname.lstrip("plugin_"))
              continue
  
          plugpath = "venues.%s" % (plugname)
          loadplug = __import__(plugpath, fromlist = [plugname])
  
          classname = plugname.split("_")[1].title()
          loadedclass = getattr(loadplug, classname)
  
          instance = loadedclass()
          loadedplugins.append(instance)
          print(f"Loaded plugin: {instance.getVenueName()}")
      print("Blacklisted plugins: {}.\n".format(", ".join(foundblacklisted[1:])))
      return  loadedplugins
  
  if __name__ == '__main__':
      load_venue_plugins()
  
new_contents: # -*- coding: utf-8 -*-
  
  # Execute this file to see what plugins will be loaded.
  
  # Implementation leans to Lex Toumbourou's example:
  # https://lextoumbourou.com/blog/posts/dynamically-loading-modules-and-classes-in-python/
  
  import os
  import pkgutil
  import sys
  
  
  def load_venue_plugins():
      """
      Read plugin directory and load found plugins.
      Variable "blacklisted" can be used to exclude loading certain plugins.
      """
      blacklisted = ["plugin_tiketti", "plugin_yotalo", "plugin_glivelabtampere", "plugin_glivelabhelsinki"]
      foundblacklisted = list()
      loadedplugins = list()
      pluginspathabs = os.path.join(os.path.dirname(__file__), "venues")
  
      for loader, plugname, ispkg in \
              pkgutil.iter_modules(path = [pluginspathabs]):
          if plugname in sys.modules:
              continue
          if plugname in blacklisted:
              foundblacklisted.append(plugname.lstrip("plugin_"))
              continue
  
          plugpath = "venues.%s" % (plugname)
          loadplug = __import__(plugpath, fromlist = [plugname])
  
          classname = plugname.split("_")[1].title()
          loadedclass = getattr(loadplug, classname)
  
          instance = loadedclass()
          loadedplugins.append(instance)
          print(f"Loaded plugin: {instance.getVenueName()}")
      print("Blacklisted plugins: {}.\n".format(", ".join(foundblacklisted[1:])))
      return  loadedplugins
  
  if __name__ == '__main__':
      load_venue_plugins()
  
subject: Update currently broken plugins.