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fix(price): use UTC-aware datetime for fetch window boundaries #70

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Merged
Codex-Crusader merged 1 commit into from
Jun 5, 2026
Merged

fix(price): use UTC-aware datetime for fetch window boundaries #70

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4 changes: 2 additions & 2 deletions pulseengine/core/price.py
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ def fetch_price_history(
Returns None when the market simply has no data for the requested window.
Raises DataFetchError when the fetch itself fails after retries.
"""
end = dt.datetime.now(dt.timezone.utc)
end = dt.datetime.now(dt.UTC)
start = end - dt.timedelta(days=days)
last_error: Exception | None = None

Expand Down Expand Up @@ -121,7 +121,7 @@ def _fetch_via_ticker_history(ticker: str, days: int) -> pd.DataFrame | None:
for anything else.
"""
try:
end = dt.datetime.now(dt.timezone.utc)
end = dt.datetime.now(dt.UTC)
start = end - dt.timedelta(days=days)
with _yf_semaphore:
data = yf.Ticker(ticker).history(
Expand Down
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