          """
  
          logger.debug("Getting timestamps: (session_id: %s, is_training: %s)",
                       session_id, self._is_training)
          retval: Dict[int, np.ndarray] = {}
          for idx in [session_id] if session_id else self.session_ids:
              self._check_cache(idx)
              data = self._cache.get_data(idx, "timestamps")
              if not data:
                  continue
 
</s> remove         retval: Dict[int, Dict[str, np.ndarray]] = {}
 </s> add         retval: dict[int, dict[str, np.ndarray]] = {} </s> remove         self._thread: Optional[LongRunningTask] = None  # Thread for loading data in background
 </s> add         self._thread: LongRunningTask | None = None  # Thread for loading data in background </s> remove         data: Dict[int, EventData] = {}
 </s> add         data: dict[int, EventData] = {} </s> remove         retval: Dict[int, Dict[str, Union[np.ndarray, List[str]]]] = {}
 </s> add         retval: dict[int, dict[str, np.ndarray | list[str]]] = {} </s> remove         retval: Dict[int, str] = {}
 </s> add         retval: dict[int, str] = {}
        retval: dict[int, np.ndarray] = {}
          """
  
          logger.debug("Getting timestamps: (session_id: %s, is_training: %s)",
                       session_id, self._is_training)
        retval: dict[int, np.ndarray] = {}
          for idx in [session_id] if session_id else self.session_ids:
              self._check_cache(idx)
              data = self._cache.get_data(idx, "timestamps")
              if not data:
                  continue
keep keep keep keep replace keep keep keep keep keep
 Rebase code (#1326)

* Remove tensorflow_probability requirement

* setup.py - fix progress bars

* requirements.txt: Remove pre python 3.9 packages

* update apple requirements.txt

* update INSTALL.md

* Remove python<3.9 code

* setup.py - fix Windows Installer

* typing: python3.9 compliant

* Update pytest and readthedocs python versions

* typing fixes

* Python Version updates
  - Reduce max version to 3.10
  - Default to 3.10 in installers
  - Remove incompatible 3.11 tests

* Update dependencies

* Downgrade imageio dep for Windows

* typing: merge optional unions and fixes

* Updates
  - min python version 3.10
  - typing to python 3.10 spec
  - remove pre-tf2.10 code
  - Add conda tests

* train: re-enable optimizer saving

* Update dockerfiles

* Update setup.py
  - Apple Conda deps to setup.py
  - Better Cuda + dependency handling

* bugfix: Patch logging to prevent Autograph errors

* Update dockerfiles

* Setup.py - Setup.py - stdout to utf-8

* Add more OSes to github Actions

* suppress mac-os end to end test 
lib/gui/analysis/event_reader.py