fix path completer tests

Author: bckohan

django_typer/completers.py

@@ -501,7 +501,7 @@ def exists(pth: Path) -> bool:
         separator = "\\"
 
     completions = []
-    incomplete_path = Path(incomplete)
+    incomplete_path = Path(incomplete.replace(separator, os.path.sep))
     partial_dir = ""
     if not exists(incomplete_path) and not incomplete.endswith(separator):
         partial_dir = incomplete_path.name

tests/test_parser_completers.py

@@ -1390,7 +1390,7 @@ def test_pythonpath_completer(self):
                 "--shell",
                 SHELL,
                 "complete",
-                f"multi --pythonpath {incomplete}",
+                f"multi --pythonpath '{incomplete}'",
             )[0]
             for pth in local_dirs:
                 self.assertIn(f".{sep}{pth}", result)