bpo-35133: Fix mistakes when concatenate string literals on different lines. (GH-10284)
Two kind of mistakes:
1. Missed space. After concatenating there is no space between words.
2. Missed comma. Causes unintentional concatenating in a list of strings.
diff --git a/Lib/concurrent/futures/thread.py b/Lib/concurrent/futures/thread.py
index b65dee1..7835971 100644
--- a/Lib/concurrent/futures/thread.py
+++ b/Lib/concurrent/futures/thread.py
@@ -150,7 +150,7 @@
if self._shutdown:
raise RuntimeError('cannot schedule new futures after shutdown')
if _shutdown:
- raise RuntimeError('cannot schedule new futures after'
+ raise RuntimeError('cannot schedule new futures after '
'interpreter shutdown')
f = _base.Future()