code review

Author: kumaraditya303

Lib/asyncio/events.py

@@ -102,7 +102,7 @@ class TimerHandle(Handle):
 
     def __init__(self, when, callback, args, loop, context=None):
         if when is None:
-            raise ValueError('when cannot be None')
+            raise ValueError("when cannot be None")
         super().__init__(callback, args, loop, context)
         if self._source_traceback:
             del self._source_traceback[-1]
@@ -663,7 +663,7 @@ def set_event_loop(self, loop):
         """Set the event loop."""
         self._local._set_called = True
         if loop is not None and not isinstance(loop, AbstractEventLoop):
-            raise TypeError(f'loop must be an instance of AbstractEventLoop or None, not {type(loop)}')
+            raise TypeError(f"loop must be an instance of AbstractEventLoop or None, not '{type(loop).__name__}'")
         self._local._loop = loop
 
     def new_event_loop(self):
@@ -748,7 +748,7 @@ def set_event_loop_policy(policy):
     If policy is None, the default policy is restored."""
     global _event_loop_policy
     if policy is not None and not isinstance(policy, AbstractEventLoopPolicy):
-        raise TypeError(f'policy must be an instance of AbstractEventLoopPolicy or None, not {type(policy)}')
+        raise TypeError(f"policy must be an instance of AbstractEventLoopPolicy or None, not '{type(policy).__name__}'")
     _event_loop_policy = policy
 
 

Misc/NEWS.d/next/Library/2021-12-02-14-37-30.bpo-23819.An6vkT.rst

@@ -0,0 +1 @@
+Replaced asserts with exceptions in asyncio, patch by Kumar Aditya.