Update normalizers.py

- broadened scope of `Path.resolve` for improved robustness 
- document implicit exception.
- improved error message.
- corrected typo in docstring.

Lib/fontParts/base/normalizers.py

@@ -1145,17 +1145,16 @@ def normalizeFilePath(value: Union[str, Path]) -> str:
     Relative paths are resolved automatically.
 
     :param value: The file path to normalize as a :class:`str` or :class:`pathlib.Path`.
-    :return: A :class:`str` representing the noramlized file path.
+    :return: A :class:`str` representing the normalized file path.
     :raises TypeError if `value` is not a :class:`str` or :class:`pathlib.Path`.
+    :raises FileNotFoundError: If the file path cannot be resolved because it does not exist.
 
     """
     if not isinstance(value, (str, Path)):
         raise TypeError(
-            f"File paths must be strings or Path, not {type(value).__name__}."
+            f"File paths must be strings or Path objects, not {type(value).__name__}."
         )
-    if isinstance(value, Path) or value.startswith("."):
-        return str(Path(value).resolve())
-    return str(value)
+    return str(Path(value).resolve())
 
 
 # Interpolation