Fix further pipeline errors

napalm/base/base.py

@@ -19,7 +19,7 @@
 try:
     from typing import Literal
 except ImportError:
-    from typing_extensions import Literal
+    from typing_extensions import Literal  # type: ignore
 
 from netmiko import ConnectHandler, NetMikoTimeoutException
 

napalm/base/helpers.py

@@ -303,7 +303,7 @@ def find_txt(
     return str(value)
 
 
-def convert(to: Callable[[T], R], who: Optional[T], default: R = "") -> R:
+def convert(to: Callable[[T], R], who: Optional[T], default: R = "") -> R:  # type: ignore
     """
     Converts data to a specific datatype.
     In case of error, will return a default value.