fix simple command (e.g. stop)

secop.py

@@ -150,17 +150,17 @@ class SecopInteractor(SecopClient):
         if module not in self.modules:
             return None
         logging.info('SENDCOMMAND %r', command)
-        try:
-            if is_param:
+        if is_param:
+            try:
                 entry = self.setParameterFromString(module, parameter, strvalue)
                 item = {'name': f'{module}:{parameter}', 'value': str(entry), 'formatted': entry.formatted()}
-                self.updates[module, parameter] = item
-                result = True
-            else:
-                result = self.execCommandFromString(module, parameter, strvalue)[0]
-        except Exception as e:
-            print(f"{e!r} converting {strvalue} to {self.modules[module]['parameters'][parameter]['datatype']}")
-        return result
+            except Exception as e:
+                print(f"{e!r} converting {strvalue} to {self.modules[module]['parameters'][parameter]['datatype']}")
+            self.updates[module, parameter] = item
+            return True
+        # called a command
+        result = self.execCommandFromString(module, parameter, strvalue)
+        return {'name': f'{module}:{parameter}', 'value': str(result), 'formatted': result.formatted()}
 
     def get_updates(self):
         updates, self.updates = self.updates, {}