Incorrect overload selection for itertools.accumulate #2876
Description
Describe the Bug
Minimal repro:
import itertools _FORMAT_PATH = "{}/{}".format def get_paths(path: str) -> list[str]: parts = path.split("/") return list(itertools.accumulate(parts, _FORMAT_PATH)) # FP: no matching overloadOnly Pyrefly has issues with this code.
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