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refactor(dataflows): read company identity and settlement prices through the data layer

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- the Yahoo vendor owns get_company_profile and get_closes; agent_utils and the graph no longer import yfinance
- a test keeps vendor libraries inside dataflows
This commit is contained in:
Yijia-Xiao
2026-09-24 00:41:56 +00:00
parent b4479b0c70
commit f197e09dcc
8 changed files with 76 additions and 34 deletions
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tests/test_memory_log.py
+1 -1
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@@ -1043,7 +1043,7 @@ def test_a_longer_window_asks_for_enough_price_history(monkeypatch):
days = pd.bdate_range(start, end)
return pd.DataFrame({"Close": range(len(days))}, index=days)
monkeypatch.setattr("tradingagents.graph.trading_graph.yf.Ticker", _Ticker)
monkeypatch.setattr("tradingagents.dataflows.y_finance.yf.Ticker", _Ticker)
raw, alpha, days, resolved = graph._fetch_returns("NVDA", "2026-06-01", 21, benchmark="SPY")