stop setting asyncio in the contextvar

Refs #20
python-trio · Mar 4, 2021 · 2766dc0 · 2766dc0
1 parent e8de439
commit 2766dc0
Showing 1 changed file with 0 additions and 5 deletions.
diff --git a/sniffio/_impl.py b/sniffio/_impl.py
@@ -1,6 +1,5 @@
 from contextvars import ContextVar
 from typing import Optional
-import sys
 
 current_async_library_cvar = ContextVar(
     "current_async_library_cvar", default=None
@@ -65,10 +64,6 @@ async def generic_sleep(seconds):
             current_task = asyncio.Task.current_task  # type: ignore[attr-defined]
         try:
             if current_task() is not None:
-                if (3, 7) <= sys.version_info:
-                    # asyncio has contextvars support, and we're in a task, so
-                    # we can safely cache the sniffed value
-                    current_async_library_cvar.set("asyncio")
                 return "asyncio"
         except RuntimeError:
             pass