Updated for external central system

Signed-off-by: AssemblyJohn <ioan.bogdann@gmail.com>

everest-testing/src/everest/testing/ocpp_utils/central_system.py

@@ -6,7 +6,7 @@
 import ssl
 import time
 import logging
-from abc import ABC, abstractmethod
+from abc import abstractmethod
 from contextlib import asynccontextmanager
 from functools import wraps
 from typing import Union, Optional
@@ -41,8 +41,7 @@ def __init__(self,  chargepoint_id, ocpp_version, port: Optional[int] = None):
 
     @abstractmethod
     async def on_connect(self, websocket, path):
-        logging.error("'CentralSystem' did not implement 'on_connect'!")
-        pass
+        logging.error("'CentralSystem' did not implement 'on_connect'!")        
 
     @abstractmethod
     async def wait_for_chargepoint(self, timeout=30, wait_for_bootnotification=True):
@@ -51,18 +50,17 @@ async def wait_for_chargepoint(self, timeout=30, wait_for_bootnotification=True)
 
     @abstractmethod
     async def start(self, ssl_context=None):
-        logging.error("'CentralSystem' did not implement 'start'!")
-        pass
+        logging.error("'CentralSystem' did not implement 'start'!")        
 
     pass # End CentralSystem
 
-class LocalCentralSystem(CentralSystem):        
+class LocalCentralSystem(CentralSystem):
     """Wrapper for CSMS websocket server. Holds a reference to a single connected chargepoint
     """
 
     def __init__(self,  chargepoint_id, ocpp_version, port: Optional[int] = None):        
         super().__init__(chargepoint_id, ocpp_version, port)
-        self.name = "LocalCentralSystem"        
+        self.name = "LocalCentralSystem"
 
     async def on_connect(self, websocket, path):
         """ For every new charge point that connects, create a ChargePoint

everest-testing/src/everest/testing/ocpp_utils/fixtures.py

@@ -69,7 +69,7 @@ async def central_system(request, ocpp_version: OCPPVersion, test_config):
     central_system_marker = request.node.get_closest_marker('custom_central_system')
 
     if central_system_marker:
-        assert isinstance(central_system_marker.args[0], CentralSystem)        
+        assert isinstance(central_system_marker.args[0], CentralSystem)
         cs = central_system_marker.args[0]
     else:
         cs = LocalCentralSystem(test_config.charge_point_info.charge_point_id,