old_contents: {license_header}from typing import Any
  
  from datadog_checks.base import AgentCheck
  
  
  class {check_class}(AgentCheck):
      def check(self, _):
          # type: (Any) -> None
          pass
  
new_contents: {license_header}from typing import Any
  
  from datadog_checks.base import AgentCheck
  
  
  class {check_class}(AgentCheck):
      def check(self, _):
          # type: (Any) -> None
          # Use self.instance to read the check configuration
          pass
  
subject: Add comment to check template (#7256)