fixed error on missing channel

1 files changed, 6 insertions, 0 deletions

diff --git a/python/examples/dev-console.py b/python/examples/dev-console.py
index c4c6bc8..adade8f 100755
--- a/python/examples/dev-console.py
+++ b/python/examples/dev-console.py
@@ -110,6 +110,12 @@ def get_input(message, t=None):
                 command = input(message)
             except KeyboardInterrupt:
                 return None
+
+            command = command.strip()
+
+            if command is None or len(command) == 0:
+                raise ValueError
+
             if t is not None and t == bool:
                 if command in ["True", "true", "1", 1, "y", "Y", "yes", "Yes", "YES"]:
                     return True