fix is_running()

was always False (when running async). Oops.

Author: smurfix

trio_asyncio/base.py

@@ -723,6 +723,11 @@ async def _main_loop_exit(self):
         self._nursery = None
         self._task = None
 
+    def is_running(self):
+        if self._stopped is None:
+            return False
+        return not self._stopped.is_set()
+
     def run_forever(self):
         """asyncio's method to run the loop until it is stopped.
         """