we still need sys

python-trio · Mar 4, 2021 · d8c836f · d8c836f
1 parent 2766dc0
commit d8c836f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/sniffio/_impl.py b/sniffio/_impl.py
@@ -1,5 +1,6 @@
 from contextvars import ContextVar
 from typing import Optional
+import sys
 
 current_async_library_cvar = ContextVar(
     "current_async_library_cvar", default=None