Swallow empty input in demo scripts

Signed-off-by: Ian Costanzo <[email protected]>
openwallet-foundation · Jul 9, 2019 · f78c1fc · f78c1fc
1 parent e541066
commit f78c1fc
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/demo/utils.py b/demo/utils.py
@@ -145,7 +145,11 @@ async def prompt(*args, **kwargs):
     prompt_init()
     with patch_stdout():
         try:
-            return await prompt_toolkit.prompt(*args, async_=True, **kwargs)
+            while True:
+                tmp = await prompt_toolkit.prompt(*args, async_=True, **kwargs)
+                if 0 < len(tmp):
+                    break
+            return tmp
         except EOFError:
             return None