[Aio] Allow sequential types for server interceptors (#27818)

lidizheng · web-flow · commit 96995801d878 · 2021-10-25T13:09:06.000-07:00
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/aio/server.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/aio/server.pyx.pxi
@@ -894,7 +894,7 @@ cdef class AioServer:
         self._crash_exception = None
 
         if interceptors:
-            self._interceptors = interceptors
+            self._interceptors = tuple(interceptors)
         else:
             self._interceptors = ()
 
