RustPython
diff --git a/‎Cargo.lock
Lines changed: 100 additions & 6 deletions b/‎Cargo.lock
Lines changed: 100 additions & 6 deletions
diff --git a/‎Cargo.toml
Lines changed: 1 addition & 1 deletion b/‎Cargo.toml
Lines changed: 1 addition & 1 deletion
diff --git a/‎Lib/os.py
Lines changed: 0 additions & 31 deletions b/‎Lib/os.py
Lines changed: 0 additions & 31 deletions
@@ -18,7 +18,7 @@ env_logger="0.5.10"
 clap = "2.31.2"
 rustpython_parser = {path = "parser"}
 rustpython_vm = {path = "vm"}
-rustyline = "2.1.0"
+rustyline = "4.1.0"
 xdg = "2.2.0"
 
 [dev-dependencies.cpython]
 
@@ -133,34 +133,3 @@ def getenv(key, default=None):
     The optional second argument can specify an alternate default.
     key, default and the result are str."""
     return environ.get(key, default)
-
-
-def fspath(path):
-    """Return the path representation of a path-like object.
-
-    If str or bytes is passed in, it is returned unchanged. Otherwise the
-    os.PathLike interface is used to get the path representation. If the
-    path representation is not str or bytes, TypeError is raised. If the
-    provided path is not str, bytes, or os.PathLike, TypeError is raised.
-    """
-    if isinstance(path, (str, bytes)):
-        return path
-
-    # Work from the object's type to match method resolution of other magic
-    # methods.
-    path_type = type(path)
-    try:
-        path_repr = path_type.__fspath__(path)
-    except AttributeError:
-        if hasattr(path_type, '__fspath__'):
-            raise
-        else:
-            raise TypeError("expected str, bytes or os.PathLike object, "
-                            "not " + path_type.__name__)
-    if isinstance(path_repr, (str, bytes)):
-        return path_repr
-    else:
-        raise TypeError("expected {}.__fspath__() to return str or bytes, "
-                        "not {}".format(path_type.__name__,
-                                        type(path_repr).__name__))
-