fix: add default value

Author: chipytux

src/fastapi_cli/cli.py

@@ -1,7 +1,7 @@
 import importlib
 from logging import getLogger
 from pathlib import Path
-from typing import Any, Union
+from typing import Any, Final, Union
 
 import typer
 import uvicorn
@@ -16,6 +16,8 @@
 from . import __version__
 from .logging import setup_logging
 
+DEFAULT_DOCS_URL: Final[str] = "/docs"
+
 app = typer.Typer(rich_markup_mode="rich")
 
 setup_logging()
@@ -50,7 +52,7 @@ def _get_docs_url(uvicorn_path: str) -> str:
     module_path, app_name = uvicorn_path.split(sep=":")
     module = importlib.import_module(module_path)
     app = getattr(module, app_name)
-    return app.docs_url
+    return app.docs_url or DEFAULT_DOCS_URL
 
 
 def _run(