type mismatch in config

Dockerfile

@@ -11,7 +11,8 @@ ARG CONF_DIR="${APP_DIR}/config"
 RUN \
     apt update && \
     pip3 install loguru && \
-    pip3 install pymodbus
+    pip3 install pymodbus && \
+    pip3 install paho-mqtt
 
 RUN \
     mkdir -p ${APP_DIR} && \

src/ModbusHandler.py

@@ -12,7 +12,7 @@ def modbusStart(config, processImage):
 
 def modbusHandler(config, processImage):
     modbusClient = config["modbus"]["client"]
-    modbusRefreshPeriod = config["modbus"]["scanrate"]
+    modbusRefreshPeriod = float(config["modbus"]["scanrate"])
 
 
     client = ModbusClient(modbusClient)

src/MqttPeriodPublisher.py

@@ -28,5 +28,5 @@ class MqttPeriodPublisher(AbstractMqttPublisher):
                 self.client.publish("{}/{}".format(self.config["analogInputPeriodicTopicPrefix"], str(analogInputItem[0])),
                                     str(analogInputItem[1]))
 
-            sleep(self.config["analogInputPublishPeriod"])
+            sleep(float(self.config["analogInputPublishPeriod"]))