extmod/uasyncio: Fix syntax of generator functions.

The compiler is not picky right now, but these are actually all syntax
errors:
- await is only valid in an async function
- async functions that use yield are actually async generators (a construct
  not supported by the compiler right now)

1 files changed, 3 insertions, 2 deletions

diff --git a/extmod/uasyncio/funcs.py b/extmod/uasyncio/funcs.py
index 96883e4fe..23a585aa9 100644
--- a/extmod/uasyncio/funcs.py
+++ b/extmod/uasyncio/funcs.py
@@ -4,7 +4,7 @@
 from . import core
 
 
-def _run(waiter, aw):
+async def _run(waiter, aw):
     try:
         result = await aw
         status = True
@@ -61,7 +61,8 @@ class _Remove:
         pass
 
 
-async def gather(*aws, return_exceptions=False):
+# async
+def gather(*aws, return_exceptions=False):
     if not aws:
         return []