More type annotations.

1 files changed, 9 insertions, 9 deletions

diff --git a/smart_future.py b/smart_future.py
index 604c149..1f6e6f0 100644
--- a/smart_future.py
+++ b/smart_future.py
@@ -5,7 +5,7 @@ import concurrent
 import concurrent.futures as fut
 import logging
 import traceback
-from typing import Callable, List, TypeVar
+from typing import Callable, List, Set, TypeVar
 
 from overrides import overrides
 
@@ -27,11 +27,11 @@ def wait_any(
 ):
     real_futures = []
     smart_future_by_real_future = {}
-    completed_futures = set()
-    for f in futures:
-        assert type(f) == SmartFuture
-        real_futures.append(f.wrapped_future)
-        smart_future_by_real_future[f.wrapped_future] = f
+    completed_futures: Set[fut.Future] = set()
+    for x in futures:
+        assert type(x) == SmartFuture
+        real_futures.append(x.wrapped_future)
+        smart_future_by_real_future[x.wrapped_future] = x
 
     while len(completed_futures) != len(real_futures):
         newly_completed_futures = concurrent.futures.as_completed(real_futures)
@@ -59,9 +59,9 @@ def wait_all(
     log_exceptions: bool = True,
 ) -> None:
     real_futures = []
-    for f in futures:
-        assert type(f) == SmartFuture
-        real_futures.append(f.wrapped_future)
+    for x in futures:
+        assert type(x) == SmartFuture
+        real_futures.append(x.wrapped_future)
 
     (done, not_done) = concurrent.futures.wait(
         real_futures, timeout=None, return_when=concurrent.futures.ALL_COMPLETED