pylint: various fixes

contrib/namespaces.py

@@ -114,7 +114,7 @@ class LinuxNamespace:
         with keep_directory():
             for n in self.next:
                 if libc.setns(n, 0) == -1:
-                    ns = self.namespaces[self.next.index(n)]  # NOQA
+                    ns = self.namespaces[self.next.index(n)]  # noqa Adopted code. pylint: disable=unused-variable
                     e = ctypes.get_errno()
                     raise OSError(e, os.strerror(e))
 

networking.py

@@ -64,9 +64,9 @@ class InterfaceManager:
         if ip_address(address) in self.ip4_internal_range or \
            ip_address(address) in self.ip6_internal_range:
             raise ValueError(f"Address {address} in the internally reserved range.")
-        self._add_address(address, check_duplicate)
+        self._add_address(address)
 
-    def _add_address(self, address, check_duplicate=False):
+    def _add_address(self, address):
         try:
             subprocess.run(f"ip addr add {address} dev {self.interface}",
                            capture_output=True, check=True, shell=True)

pydnstest/testserver.py

@@ -48,7 +48,7 @@ class TestServer:
         if active:
             self.stop()
 
-    def start(self, port=53):
+    def start(self):
         """ Synchronous start """
         with self.active_lock:
             if self.active: