old_contents: import logging
  from datetime import timedelta
  from core.errors import ObservableValidationError
  from core.feed import Feed
  from core.observables import Ip
  
  
  class BlocklistdeAll(Feed):
  
      default_values = {
          "frequency": timedelta(hours=13),
          "name": "Cruzit",
          "source": "https://iplists.firehol.org/files/cruzit_web_attacks.ipset",
          "description": "IPs of compromised machines scanning for vulnerabilities and DDOS attacks.",
      }
  
      def update(self):
          resp = self._make_request(sort=False)
          lines = resp.content.decode("utf-8").split("\n")[63:]
          for line in lines:
              self.analyze(line)
  
      def analyze(self, line):
          line = line.strip()
  
          ip = line
  
          context = {"source": self.name}
  
          try:
              obs = Ip.get_or_create(value=ip)
              obs.add_context(context)
              obs.add_source(self.name)
              obs.tag("blocklistde")
          except ObservableValidationError as e:
              raise logging.error(e)
  
new_contents: import logging
  from datetime import timedelta
  from core.errors import ObservableValidationError
  from core.feed import Feed
  from core.observables import Ip
  
  
  class Cruzit(Feed):
  
      default_values = {
          "frequency": timedelta(hours=13),
          "name": "Cruzit",
          "source": "https://iplists.firehol.org/files/cruzit_web_attacks.ipset",
          "description": "IPs of compromised machines scanning for vulnerabilities and DDOS attacks.",
      }
  
      def update(self):
          resp = self._make_request(sort=False)
          lines = resp.content.decode("utf-8").split("\n")[63:]
          for line in lines:
              self.analyze(line)
  
      def analyze(self, line):
          line = line.strip()
  
          ip = line
  
          context = {"source": self.name}
  
          try:
              obs = Ip.get_or_create(value=ip)
              obs.add_context(context)
              obs.add_source(self.name)
              obs.tag("blocklistde")
          except ObservableValidationError as e:
              raise logging.error(e)
  
subject: fix classname