#3331 add timestamp transformer Pull request opened by dansola ## Why are the changes needed? ## What changes were proposed in this pull request? This workflow

@fl.task(container_image=image)
def get_timestamp() -> pd.Timestamp:
    return pd.Timestamp("2024-09-29 15:30:45")


@fl.workflow
def timestamp_wf() -> pd.Timestamp:
    return get_timestamp()

gives this error:

TypeTransformerFailedError: Failed to convert 
outputs of task 'timestamp_wf.get_timestamp' at 
position 0.
Failed to convert type <class 
'pandas._libs.tslibs.timestamps.Timestamp'> to type 
<class 'pandas._libs.tslibs.timestamps.Timestamp'>.
Error Message: Expected value of type <class 
'datetime.datetime'> but got '2024-09-29 15:30:45' 
of type <class 
'pandas._libs.tslibs.timestamps.Timestamp'>.

We need a pandas timestamp type transformer. ## How was this patch tested? Tested locally and remotely. For remote run, just installed flytekit from the

da72500c93e1ff1107a24f1e67eb453a443e4d82

commit on the image. ## Check all the applicable boxes • I updated the documentation accordingly. • All new and existing tests passed. • All commits are signed-off. ## Related PRs ## Docs link https://bito.ai#summarystart| ### Summary by Bito This pull request introduces the PandasTimestampTransformer class to convert between pandas.Timestamp and Flyte DATETIME literals, addressing a type conversion error in workflows. It includes updates to import statements and has been tested for functionality both locally and remotely. flyteorg/flytekit