code: def enter_OperationDefinition(
      self, node, key, parent, path, ancestors
  ):
      if not node.name and self.operation_count > 1:
          self.context.report_error(
              GraphQLError(
                  self.anonymous_operation_not_alone_message(), [node]
              )
          )
  
file_path: wandb/wandb/vendor/graphql-core-1.1/wandb_graphql/validation/rules/lone_anonymous_operation.py
imports: from ...error import GraphQLError
  from ...language import ast
  from .base import ValidationRule
label_desc: Use image node_id 3 for calling the LoneAnonymousOperation obj's underlying member method code with example usage: obj.enter_OperationDefinition(node, key, parent, path, ancestors) without return types