Update src/asyncresults.jl

Co-authored-by: Eric Davies <iamed2@gmail.com>

Author: pankgeorg

src/asyncresults.jl

@@ -318,5 +318,9 @@ function _async_submit(
         Cint(binary_format),  # return result in text or binary format
     )
     # send_status must be 1, if nonblock, we also want to flush
-    return send_status == 1 && (isnonblocking(jl_conn) == 0 || flush(jl_conn))
+    if isnonblocking(jl_conn)
+        return send_status == 1 && flush(jl_conn)  # or _flush if renamed
+    else
+        return send_status == 1
+    end
 end