udpate to be inclusive of file checking

floris/type_dec.py

@@ -85,7 +85,7 @@ def iter_validator(iter_type, item_types: Union[Any, Tuple[Any]]) -> Callable:
     return validator
 
 def convert_to_path(fn: str | Path) -> Path:
-    """Converts an input string or pathlib.Path object to a fully resolved ``pathlib.Path``
+    """Converts an input string or ``pathlib.Path`` object to a fully resolved ``pathlib.Path``
     object.
 
     Args:
@@ -113,11 +113,11 @@ def convert_to_path(fn: str | Path) -> Path:
         absolute_fn = fn.resolve()
         relative_fn_script = (base_fn_script / fn).resolve()
         relative_fn_sys = (base_fn_sys / fn).resolve()
-        if absolute_fn.is_dir():
+        if absolute_fn.exists():
             return absolute_fn
-        if relative_fn_script.is_dir():
+        if relative_fn_script.exists():
             return relative_fn_script
-        if relative_fn_sys.is_dir():
+        if relative_fn_sys.exists():
             return relative_fn_sys
         raise FileExistsError(
             f"{fn} could not be found as either a\n"