Fixes

text_sensor.py

@@ -4,21 +4,22 @@ from esphome.components import text_sensor
 from esphome.const import (
     ENTITY_CATEGORY_DIAGNOSTIC,
 )
-from . import ns, Marlin2
+from . import Marlin2
 
 CONF_MARLIN = "marlin2"
-CONFIG_SCHEMA = cv.Schema(
+CONFIG_SCHEMA =  cv.Schema(
     {
         cv.GenerateID(CONF_MARLIN): cv.use_id(Marlin2),
-        cv.Optional(CONF_CONNECTED): text_sensor.text_sensor(
+        cv.Optional("printer_state"): text_sensor.text_sensor_schema(
             entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         ),
     }
-)
+).extend(cv.polling_component_schema("15s"))
 
 async def to_code(config):
     server = await cg.get_variable(config[CONF_MARLIN])
+
     for sName in ["printer_state"]:
         if sName in config:
-            sens = await sensor.new_text_sensor(config[sName])
-            cg.add(var.add_text_sensor(sName,sens))
+            sens = await text_sensor.new_text_sensor(config[sName])
+            cg.add(server.add_text_sensor(sName,sens))