Force server methods to be async and client calls to use await

test/test_response.py

@@ -5,7 +5,7 @@ class FooServer(test_response_capnp.Foo.Server):
     def __init__(self, val=1):
         self.val = val
 
-    def foo(self, **kwargs):
+    async def foo(self, **kwargs):
         return 1
 
 
@@ -13,27 +13,27 @@ class BazServer(test_response_capnp.Baz.Server):
     def __init__(self, val=1):
         self.val = val
 
-    def grault(self, **kwargs):
+    async def grault(self, **kwargs):
         return {"foo": FooServer()}
 
 
 async def test_response_reference():
     baz = test_response_capnp.Baz._new_client(BazServer())
 
-    bar = baz.grault().wait().bar
+    bar = (await baz.grault()).bar
 
     foo = bar.foo
     # This used to cause an exception about invalid pointers because the response got garbage collected
-    assert foo.foo().wait().val == 1
+    assert (await foo.foo()).val == 1
 
 
 async def test_response_reference2():
     baz = test_response_capnp.Baz._new_client(BazServer())
 
-    bar = baz.grault().wait().bar
+    bar = (await baz.grault()).bar
 
     # This always worked since it saved the intermediate response object
-    response = baz.grault().wait()
+    response = await baz.grault()
     bar = response.bar
     foo = bar.foo
-    assert foo.foo().wait().val == 1
+    assert (await foo.foo()).val == 1