diff --git a/kafka2influxdb.py b/kafka2influxdb.py
index 45cfec6..ef3f1e7 100644
--- a/kafka2influxdb.py
+++ b/kafka2influxdb.py
@@ -1,4 +1,3 @@
-import json
 import logging
 import os
 from pprint import pformat
@@ -13,7 +12,8 @@
 """
 Consume parsed data from Kafka and save it to InfluxDB V2 database.
 
-Parsed data is expected to be in the following "well-known" "JSON timeseries"-like format:
+Parsed data is expected to be in the following "well-known" "JSON
+timeseries"-like format:
 
 parsed_data = {
     "header": {
@@ -46,7 +46,10 @@
     "device": {
         "device_id": "B81758FFFE031234",
         # FIXME: this is incorrect format for device_metadata now
-        "device_metadata": {"name": "Elsys ERS CO2 A81758FFFE035729", "parser_module": "fvhiot.parsers.elsys"},
+        "device_metadata": {
+            "name": "Elsys ERS CO2 A81758FFFE035729",
+            "parser_module": "fvhiot.parsers.elsys"
+        },
         "device_state": {"state data": "is here"},
     },
     "meta": {
@@ -77,14 +80,16 @@
 
 
 def parsed_data_to_influxdb_format(
-    measurement_name, device_id, data: dict, extra_fields: dict = None, extra_tags: dict = None
+    measurement_name, device_id, data: dict, extra_fields: dict = None,
+    extra_tags: dict = None
 ) -> list:
     """
     Convert parsed data to InfluxDB datapoints format, see example above.
     :param measurement_name: name of the measurement, e.g. "elsys"
     :param device_id: device ID, e.g. "B81758FFFE031234"
     :param data: parsed data in "well-known" "JSON timeseries"-like format
-    :param extra_fields: extra fields to add to each datapoint, e.g. {"rssi": rssi_value}
+    :param extra_fields: extra fields to add to each datapoint, e.g. {"rssi":
+    rssi_value}
     :param extra_tags: extra tags to add to each datapoint, e.g. {"dev-type": "sensor"}
     """
     influxdb_points = []
@@ -129,7 +134,8 @@ def main():
         logging.debug(pformat(data, width=120))
         measurement_name = data["device"]["parser_module"].split(".")[-1]
         device_id = data["device"]["device_id"]
-        influxdb_datapoints = parsed_data_to_influxdb_format(measurement_name, device_id, data)
+        influxdb_datapoints = parsed_data_to_influxdb_format(measurement_name,
+                                                             device_id, data)
         with client.write_api(write_options=SYNCHRONOUS) as write_api:
             write_api.write(bucket, org, influxdb_datapoints)
             logging.info(f"Saved {len(influxdb_datapoints)} datapoints to InfluxDB")