message: fix missing series validation not raised an exception
diff: # KIND, either express or implied. See the License for the
  # specific language governing permissions and limitations
  # under the License.
  +# pylint: disable=invalid-name
  import logging
  from datetime import datetime, timedelta
  from typing import Any, Dict, List, NamedTuple, Optional, TYPE_CHECKING
  @@ -273,28 +274,37 @@ class QueryObject: # pylint: disable=too-many-instance-attributes
  self, raise_exceptions: Optional[bool] = True
  ) -> Optional[QueryObjectValidationError]:
  """Validate query object"""
  - error: Optional[QueryObjectValidationError] = None
  + try:
  + self._validate_there_are_no_missing_series()
  + self._validate_no_have_duplicate_labels()
  + return None
  + except QueryObjectValidationError as ex:
  + if raise_exceptions:
  + raise ex
  + return ex
  +
  + def _validate_no_have_duplicate_labels(self) -> None:
  all_labels = self.metric_names + self.column_names
  - missing_series = [col for col in self.series_columns if col not in self.columns]
  - if missing_series:
  - _(
  - "The following entries in `series_columns` are missing "
  - "in `columns`: %(columns)s. ",
  - columns=", ".join(f'"{x}"' for x in missing_series),
  - )
  -
  if len(set(all_labels)) < len(all_labels):
  dup_labels = find_duplicates(all_labels)
  - error = QueryObjectValidationError(
  + raise QueryObjectValidationError(
  _(
  "Duplicate column/metric labels: %(labels)s. Please make "
  "sure all columns and metrics have a unique label.",
  labels=", ".join(f'"{x}"' for x in dup_labels),
  )
  )
  - if error and raise_exceptions:
  - raise error
  - return error
  +
  + def _validate_there_are_no_missing_series(self) -> None:
  + missing_series = [col for col in self.series_columns if col not in self.columns]
  + if missing_series:
  + raise QueryObjectValidationError(
  + _(
  + "The following entries in `series_columns` are missing "
  + "in `columns`: %(columns)s. ",
  + columns=", ".join(f'"{x}"' for x in missing_series),
  + )
  + )
  def to_dict(self) -> Dict[str, Any]:
  query_object_dict = {
  