Fix Python 3.10 compatibility - context param added in 3.11

Author: timkpaine

csp/event_loop/loop.py

@@ -685,7 +685,11 @@ def create_task(
         self._check_closed()
 
         if self._task_factory is None:
-            task = asyncio.Task(coro, loop=self, name=name, context=context)
+            # context parameter was added in Python 3.11
+            if sys.version_info >= (3, 11):
+                task = asyncio.Task(coro, loop=self, name=name, context=context)
+            else:
+                task = asyncio.Task(coro, loop=self, name=name)
         else:
             if context is None:
                 task = self._task_factory(self, coro)