Fix lint + test

esphome/components/mqtt/__init__.py

@@ -454,6 +454,7 @@ async def to_code(config):
     if CONF_PUBLISH_NAN_AS_NONE in config:
         cg.add(var.set_publish_nan_as_none(config[CONF_PUBLISH_NAN_AS_NONE]))
 
+
 MQTT_PUBLISH_ACTION_SCHEMA = cv.Schema(
     {
         cv.GenerateID(): cv.use_id(MQTTClientComponent),

esphome/components/mqtt/mqtt_client.cpp

@@ -608,7 +608,9 @@ void MQTTClientComponent::set_log_message_template(MQTTMessage &&message) { this
 const MQTTDiscoveryInfo &MQTTClientComponent::get_discovery_info() const { return this->discovery_info_; }
 void MQTTClientComponent::set_topic_prefix(const std::string &topic_prefix) { this->topic_prefix_ = topic_prefix; }
 const std::string &MQTTClientComponent::get_topic_prefix() const { return this->topic_prefix_; }
-void MQTTClientComponent::set_publish_nan_as_none(bool publish_nan_as_none) { this->publish_nan_as_none_ = publish_nan_as_none; }
+void MQTTClientComponent::set_publish_nan_as_none(bool publish_nan_as_none) {
+  this->publish_nan_as_none_ = publish_nan_as_none;
+}
 bool MQTTClientComponent::is_publish_nan_as_none() const { return this->publish_nan_as_none_; }
 void MQTTClientComponent::disable_birth_message() {
   this->birth_message_.topic = "";

esphome/const.py

@@ -690,6 +690,7 @@ CONF_PRIORITY = "priority"
 CONF_PROJECT = "project"
 CONF_PROTOCOL = "protocol"
 CONF_PUBLISH_INITIAL_STATE = "publish_initial_state"
+CONF_PUBLISH_NAN_AS_NONE = "publish_nan_as_none"
 CONF_PULL_MODE = "pull_mode"
 CONF_PULLDOWN = "pulldown"
 CONF_PULLUP = "pullup"
@@ -955,7 +956,6 @@ CONF_X_GRID = "x_grid"
 CONF_Y_GRID = "y_grid"
 CONF_YEAR = "year"
 CONF_ZERO = "zero"
-CONF_PUBLISH_NAN_AS_NONE = "publish_nan_as_none"
 
 TYPE_GIT = "git"
 TYPE_LOCAL = "local"

tests/components/mqtt/common.yaml

@@ -60,6 +60,7 @@ mqtt:
     - mqtt.publish:
         topic: some/topic
         payload: Good-bye
+  publish_nan_as_none: false
 
 binary_sensor:
   - platform: template