uasyncio: fix _unregister_fd()

dbrignoli · dbrignoli · commit 1643e084993b · 2019-12-31T13:10:42.000+01:00
Do not remove items from loop.objmap while iterating it.
diff --git a/uasyncio/uasyncio/__init__.py b/uasyncio/uasyncio/__init__.py
@@ -24,7 +24,6 @@ def __init__(self, runq_len=16, waitq_len=16):
         self.objmap = {}
 
     def _unregister_fd(self, fd):
-        self.objmap.pop(fd, None)
         try:
             self.poller.unregister(fd)
         except OSError as e:
