old_contents: from __future__ import unicode_literals
  import importlib
  from goerr import err
  from django.apps import AppConfig
  
  
  GENERATORS = {}
  cf = None
  
  
  def load_generator(modname, subgenerator=None):
      try:
          path = modname + ".chartflo"
          if subgenerator is not None:
              path = path + "." + subgenerator
          mod = importlib.import_module(path)
          generator = getattr(mod, "run")
          return generator
      except ImportError as e:
          if "No module named" not in str(e):
              err.new(e)
          return None
      except Exception as e:
          err.new(e, load_generator, "Error loading module")
  
  
  class ChartfloConfig(AppConfig):
      name = 'chartflo'
      verbose_name = "Chartflo"
  
      def ready(self):
          """
          Load generators and initialize class instance
          """
          global GENERATORS, cf
          from django.conf import settings
          apps = settings.INSTALLED_APPS
          generators = {}
          for app in apps:
              try:
                  res = load_generator(app)
                  if res is not None:
                      generators[app] = res
              except Exception as e:
                  err.new(e)
          GENERATORS = generators
          # Initialize class instance
          from chartflo.engine import ChartFlo
          cf = ChartFlo()
          if err.exists:
              err.trace()
  
new_contents: from __future__ import unicode_literals
  import importlib
  from goerr import err
  from django.apps import AppConfig
  from chartflo.engine import ChartFlo
  
  
  GENERATORS = {}
  cf = ChartFlo()
  
  
  def load_generator(modname, subgenerator=None):
      try:
          path = modname + ".chartflo"
          if subgenerator is not None:
              path = path + "." + subgenerator
          mod = importlib.import_module(path)
          generator = getattr(mod, "run")
          return generator
      except ImportError as e:
          if "No module named" not in str(e):
              err.new(e)
          return None
      except Exception as e:
          err.new(e, load_generator, "Error loading module")
  
  
  class ChartfloConfig(AppConfig):
      name = 'chartflo'
      verbose_name = "Chartflo"
  
      def ready(self):
          """
          Load generators and initialize class instance
          """
          global GENERATORS, cf
          from django.conf import settings
          apps = settings.INSTALLED_APPS
          generators = {}
          for app in apps:
              try:
                  res = load_generator(app)
                  if res is not None:
                      generators[app] = res
              except Exception as e:
                  err.new(e, self.ready,
                          "Can not initialize Chartflo generators")
          GENERATORS = generators
          if err.exists:
              err.trace()
  
subject: Fix in app initialization for generators