diff --git a/bin/kamstrup_prober.py b/bin/kamstrup_prober.py
index 836870ab..50d5aa5b 100644
--- a/bin/kamstrup_prober.py
+++ b/bin/kamstrup_prober.py
@@ -84,7 +84,9 @@ def get_register(self, register):
                 received_data = self._sock.recv(1024)
                 received_data = bytearray(received_data)
             except socket.error as socket_err:
-                logger.exception("Error while communicating: {0}".format(str(socket_err)))
+                logger.exception(
+                    "Error while communicating: {0}".format(str(socket_err))
+                )
                 self._connect()
         data_length = len(received_data)
 
@@ -151,9 +153,15 @@ def registers_from_candidates(candidate_registers_values, args):
                 "value_length": length,
                 "unknown": unknown,
             }
-            logger.info("Found register value at {0}:{1}".format(hex(register_id), register_value))
+            logger.info(
+                "Found register value at {0}:{1}".format(
+                    hex(register_id), register_value
+                )
+            )
             with open(dumpfile, "w") as json_file:
-                json_file.write(json.dumps(found_registers, indent=4, default=json_default))
+                json_file.write(
+                    json.dumps(found_registers, indent=4, default=json_default)
+                )
         else:
             not_found_counts += 1
             if not_found_counts % 10 == 0:
@@ -196,8 +204,10 @@ def json_default(obj):
         return None
 
 
-if __name__ == '__main__':
-    parser = argparse.ArgumentParser(description="Probes kamstrup_meter meter registers.")
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        description="Probes kamstrup_meter meter registers."
+    )
     parser.add_argument("host", help="Hostname or IP or Kamstrup meter")
     parser.add_argument("port", type=int, help="TCP port")
     parser.add_argument(
@@ -205,6 +215,8 @@ def json_default(obj):
         dest="registerfile",
         help="Reads registers from previous dumps files instead of bruteforcing the meter.",
     )
-    parser.add_argument("--comm-addr", dest="communication_address", default=default_comm_port)
+    parser.add_argument(
+        "--comm-addr", dest="communication_address", default=default_comm_port
+    )
 
     find_registers_in_candidates(parser.parse_args())
diff --git a/conpot/protocols/s7comm/s7.py b/conpot/protocols/s7comm/s7.py
index 7fe47b0b..1d8470ab 100644
--- a/conpot/protocols/s7comm/s7.py
+++ b/conpot/protocols/s7comm/s7.py
@@ -16,7 +16,6 @@
 
 # S7 packet
 class S7(object):
-
     ssl_lists = {}
 
     def __init__(
@@ -68,7 +67,6 @@ def __init__(
         self.data_bus = conpot_core.get_databus()
 
     def __len__(self):
-
         if self.pdu_type in (2, 3):
             return 12 + int(self.param_length) + int(self.data_length)
         else:
@@ -85,7 +83,6 @@ def request_not_implemented(self):
         raise ParseException("s7comm", "request not implemented in honeypot yet.")
 
     def pack(self):
-
         if self.pdu_type not in self.pdu_mapping:
             raise AssembleException("s7comm", "invalid or unsupported pdu type")
         elif self.pdu_type in (2, 3):
@@ -120,7 +117,6 @@ def pack(self):
             )
 
     def parse(self, packet):
-
         # dissect fixed header
         try:
             fixed_header = unpack("!BBHHHH", packet[:10])
@@ -176,7 +172,6 @@ def plc_stop_signal(self, current_client):
         return str_to_bytes("0x00"), str_to_bytes("0x29")
 
     def request_diagnostics(self):
-
         # semi-check
         try:
             unpack("!BBBBBBBB", self.parameters[:8])
@@ -224,7 +219,6 @@ def request_diagnostics(self):
 
     # W#16#xy11 - module identification
     def request_ssl_17(self, data_ssl_index):
-
         # just for convenience
         current_ssl = S7.ssl_lists["W#16#xy11"]
 
@@ -254,7 +248,6 @@ def request_ssl_17(self, data_ssl_index):
             )  # 1  WORD   ( Length of following data )
 
         elif data_ssl_index == 6:  # 0x0006 - hardware identification
-
             ssl_index_description = "Hardware identification"
 
             ssl_resp_data = pack(
@@ -279,7 +272,6 @@ def request_ssl_17(self, data_ssl_index):
             )  # 1  WORD   ( Length of following data )
 
         elif data_ssl_index == 7:  # 0x0007 - firmware identification
-
             ssl_index_description = "Firmware identification"
 
             ssl_resp_data = pack(
@@ -301,7 +293,6 @@ def request_ssl_17(self, data_ssl_index):
                 0x09,  # 1  BYTE   ( Data Type. 0x09 = Char/String )
                 len(ssl_resp_data),
             )  # 1  WORD   ( Length of following data )
-
         else:
             ssl_index_description = "UNKNOWN / UNDEFINED / RESERVED {0}".format(
                 hex(data_ssl_index)
@@ -324,7 +315,6 @@ def request_ssl_17(self, data_ssl_index):
 
     # W#16#011C
     def request_ssl_28(self, data_ssl_index):
-
         # just for convenience
         current_ssl = S7.ssl_lists["W#16#xy1C"]
         # initiate header for mass component block