Add python -V

app.py

@@ -40,6 +40,15 @@ def process(command) -> Tuple[str, Optional[str]]:
 
     logger.info("input: %s", command)
 
+    try:
+        command = str(comamnd).strip()
+    except Exception as e:
+        _ = str(e)
+        return _, None
+
+    if not command:
+        return "gimme something to start with...", None
+
     is_command = True
     is_command = command.strip().splitlines().__len__() < 2 and len(command.strip()) < 500
 
@@ -136,7 +145,7 @@ iface = gr.Interface(
         gr.outputs.Image("auto"),
     ],
     examples=[
-        "python -m site"
+        "python -m site",
         """python -c "import gradio; print(gradio.__version__")""",
         "cat /proc/version",
         "free  # show free memory",