codeant-ai-for-open-source[bot] commented on code in PR #45344:
URL: https://github.com/apache/superset/pull/45344#discussion_r4283593950
##########
superset/utils/core.py:
##########
@@ -2188,7 +2188,11 @@ def normalize_dttm_col(
if not series.empty and series.notna().any():
# Convert UTC to target timezone
df[_col.col_label] = (
- series.dt.tz_localize("UTC")
+ (
+ series.dt.tz_localize("UTC")
+ if series.dt.tz is None
+ else series
+ )
Review Comment:
**Suggestion:** When mixed UTC offsets produce an object-dtype series,
`series.dt.tz` raises `AttributeError`, so charts with those values fail
instead of converting.
**Assessment:** ๐ `Major` ยท ๐ `Occurrence: Rarely` ยท ๐ท๏ธ `Type error`
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<details>
<summary><b>Prompt for AI Agent ๐ค </b></summary>
```mdx
This is a comment left during a code review.
**Path:** superset/utils/core.py
**Line:** 2191:2195
**Comment:**
*Type Error: When mixed UTC offsets produce an object-dtype series,
`series.dt.tz` raises `AttributeError`, so charts with those values fail
instead of converting.
Validate the correctness of the flagged issue. If correct, How can I resolve
this? If you propose a fix, implement it and please make it concise.
Once fix is implemented, also check other comments on the same PR, and ask
user if the user wants to fix the rest of the comments as well. if said yes,
then fetch all the comments validate the correctness and implement a minimal fix
```
</details>
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