diff --git a/frappy/playground.py b/frappy/playground.py
index 8cb18c4..06949d0 100644
--- a/frappy/playground.py
+++ b/frappy/playground.py
@@ -94,6 +94,7 @@ logger = MainLogger()
 
 class Playground(Server):
     def __init__(self, **kwds):  # pylint: disable=super-init-not-called
+        self.name = 'playground'
         for modname, cfg in kwds.items():
             cfg.setdefault('description', modname)
         self.log = logger.log
diff --git a/frappy_psi/sea.py b/frappy_psi/sea.py
index cc601c8..e2e7fae 100644
--- a/frappy_psi/sea.py
+++ b/frappy_psi/sea.py
@@ -213,7 +213,10 @@ class SeaClient(ProxyClient, Module):
             if not self._connected.is_set():
                 if self._connect_thread is None:
                     # let doPoll do the reconnect
-                    self.pollInfo.trigger(True)
+                    if self.pollInfo:  # is None in playground
+                        self.pollInfo.trigger(True)
+                    else:
+                        self.log.info('sea_main.doPoll() will connect')
                 raise ConnectionClosed('disconnected - reconnect is tried later')
             return self.raw_request(command, quiet)
 
@@ -677,7 +680,7 @@ class SeaModule(Module):
             if key != 'status' and key is not None:
                 attributes['read_' + key] = rfunc
 
-            if not readonly:
+            if not readonly and key:
 
                 def wfunc(self, value, datatype=datatype, command=paramdesc['cmd']):
                     value = datatype.export_value(value)