code: def get_collectors_from_module(mod):
      
      for attrname in dir(mod):
          attr = getattr(mod, attrname)
          # Only attempt to load classes that are infact classes
          # are Collectors but are not the base Collector class
          if ((inspect.isclass(attr) and
               issubclass(attr, Collector) and
               attr != Collector)):
              if attrname.startswith('parent_'):
                  continue
              # Get class name
              fqcn = '.'.join([mod.__name__, attrname])
              try:
                  # Load Collector class
                  cls = load_dynamic_class(fqcn, Collector)
                  # Add Collector class
                  yield cls.__name__, cls
              except Exception:
                  # Log error
                  logger.error(
                      "Failed to load Collector: %s. %s",
                      fqcn, traceback.format_exc())
                  continue
docs: Locate all of the collector classes within a given module