Blocking I/O in async handler

Code reviewConcurrencySenior–Staff~22 min

Review this Python asyncio handler.

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Mark a line and say what kind of problem it is.0 findings

1import requests

3async def fetch_prices(symbols):

4 out = {}

5 for s in symbols:

6 resp = requests.get(f"https://api.example.com/price/{s}") # blocking

7 out[s] = resp.json()["price"]

8 return out

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