add few more pragma no covers

Author: svlandeg

typer/_click/exceptions.py

@@ -33,7 +33,7 @@ def format_message(self) -> str:
         return self.message
 
     def __str__(self) -> str:
-        return self.message
+        return self.message  # pragma: no cover
 
     def show(self, file: IO[Any] | None = None) -> None:
         if file is None:

typer/core.py

@@ -164,7 +164,8 @@ def get_error_hint(self) -> str:
         return f"'{self.display_name_raw}'"
 
     def display_name_type(self, ctx: _click.Context) -> str | None:
-        return self.metavar
+        # Is overridden in practice by TyperOption and TyperArgument
+        return self.metavar  # pragma: no cover
 
     def display_type(self, ctx: _click.Context) -> str:
         """Formatted type string for help, e.g. ``<int>``"""

typer/display.py

@@ -19,4 +19,4 @@ def get_error_msg(exc: ValidationError) -> str:
     errors = exc.errors()
     if errors:
         return errors[0]["msg"]
-    return str(exc)
+    return str(exc)  # pragma: no cover