Fix black ' ' => " "

Grr

libs/lib/xaal/lib/config.py

@@ -32,7 +32,7 @@ class Config:
         self.log_level = DEF_LOG_LEVEL
         self.log_path = DEF_LOG_PATH
         self.remote_console = DEF_REMOTE_CONSOLE
-        self.key = b""
+        self.key = b''
         self.STACK_VERSION = STACK_VERSION
 
     def load(self, name="xaal.ini"):
@@ -41,19 +41,19 @@ class Config:
             raise FileNotFoundError(f"Unable to load xAAL config file [{filename}]")
 
         cfg = ConfigObj(filename)
-        self.address = self.safe_string(cfg.get("address"), DEF_ADDR)
-        self.port = self.safe_int(cfg.get("port"), DEF_PORT)
-        self.hops = self.safe_int(cfg.get("hops"), DEF_HOPS)
-        self.alive_timer = self.safe_int(cfg.get("alive_timer"), DEF_ALIVE_TIMER)
-        self.cipher_window = self.safe_int(cfg.get("cipher_window"), DEF_CIPHER_WINDOW)
-        self.queue_size = self.safe_int(cfg.get("queue_size"), DEF_QUEUE_SIZE)
-        self.log_level = self.safe_string(cfg.get("log_level"), DEF_LOG_LEVEL)
-        self.log_path = self.safe_string(cfg.get("log_path"), DEF_LOG_PATH)
-        self.remote_console = self.safe_bool(cfg.get("remote_console"), DEF_REMOTE_CONSOLE)
+        self.address = self.safe_string(cfg.get('address'), DEF_ADDR)
+        self.port = self.safe_int(cfg.get('port'), DEF_PORT)
+        self.hops = self.safe_int(cfg.get('hops'), DEF_HOPS)
+        self.alive_timer = self.safe_int(cfg.get('alive_timer'), DEF_ALIVE_TIMER)
+        self.cipher_window = self.safe_int(cfg.get('cipher_window'), DEF_CIPHER_WINDOW)
+        self.queue_size = self.safe_int(cfg.get('queue_size'), DEF_QUEUE_SIZE)
+        self.log_level = self.safe_string(cfg.get('log_level'), DEF_LOG_LEVEL)
+        self.log_path = self.safe_string(cfg.get('log_path'), DEF_LOG_PATH)
+        self.remote_console = self.safe_bool(cfg.get('remote_console'), DEF_REMOTE_CONSOLE)
 
-        key = cfg.get("key", None)
+        key = cfg.get('key', None)
         if key and type(key) is str:
-            self.key = binascii.unhexlify(key.encode("utf-8"))
+            self.key = binascii.unhexlify(key.encode('utf-8'))
         else:
             raise ValueError(f"Key not set in config file [{filename}]")