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-rw-r--r--mitmproxy/utils/sliding_window.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/mitmproxy/utils/sliding_window.py b/mitmproxy/utils/sliding_window.py
index 4714b8e3..0a65f5e4 100644
--- a/mitmproxy/utils/sliding_window.py
+++ b/mitmproxy/utils/sliding_window.py
@@ -1,10 +1,10 @@
import itertools
-from typing import TypeVar, Iterator, Tuple, Optional
+from typing import TypeVar, Iterable, Iterator, Tuple, Optional
T = TypeVar('T')
-def window(iterator: Iterator[T], behind: int = 0, ahead: int = 0) -> Iterator[Tuple[Optional[T]]]:
+def window(iterator: Iterable[T], behind: int = 0, ahead: int = 0) -> Iterator[Tuple[Optional[T], ...]]:
"""
Sliding window for an iterator.