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-rw-r--r--Lib/asyncio/base_futures.py6
1 files changed, 0 insertions, 6 deletions
diff --git a/Lib/asyncio/base_futures.py b/Lib/asyncio/base_futures.py
index bd65bee..22f2980 100644
--- a/Lib/asyncio/base_futures.py
+++ b/Lib/asyncio/base_futures.py
@@ -1,15 +1,9 @@
__all__ = ()
-import concurrent.futures
import reprlib
from . import format_helpers
-CancelledError = concurrent.futures.CancelledError
-TimeoutError = concurrent.futures.TimeoutError
-InvalidStateError = concurrent.futures.InvalidStateError
-
-
# States for Future.
_PENDING = 'PENDING'
_CANCELLED = 'CANCELLED'