AutoGPT: Use watchdog to mitigate empty commands

autogpts/autogpt/autogpt/agents/features/watchdog.py

@@ -37,20 +37,28 @@ class WatchdogMixin:
             WatchdogMixin, self
         ).propose_action(*args, **kwargs)
 
-        if (
-            not self.config.big_brain
-            and len(self.event_history) > 1
-            and self.config.fast_llm != self.config.smart_llm
-        ):
-            # Detect repetitive commands
-            previous_cycle = self.event_history.episodes[self.event_history.cursor - 1]
-            if (
-                command_name == previous_cycle.action.name
-                and command_args == previous_cycle.action.args
+        if not self.config.big_brain and self.config.fast_llm != self.config.smart_llm:
+            previous_command, previous_command_args = None, None
+            if len(self.event_history) > 1:
+                # Detect repetitive commands
+                previous_cycle = self.event_history.episodes[
+                    self.event_history.cursor - 1
+                ]
+                previous_command = previous_cycle.action.name
+                previous_command_args = previous_cycle.action.args
+
+            rethink_reason = ""
+
+            if not command_name:
+                rethink_reason = "AI did not specify a command"
+            elif (
+                command_name == previous_command
+                and command_args == previous_command_args
             ):
-                logger.info(
-                    f"Repetitive command detected ({command_name}), re-thinking with SMART_LLM..."
-                )
+                rethink_reason = f"Repititive command detected ({command_name})"
+
+            if rethink_reason:
+                logger.info(f"{rethink_reason}, re-thinking with SMART_LLM...")
                 with ExitStack() as stack:
 
                     @stack.callback