Create typer app object

For easier testability:
https://typer.tiangolo.com/tutorial/testing/

pyproject.toml

@@ -12,7 +12,7 @@ typer = "^0.6.1"
 httpx = "^0.23.0"
 
 [tool.poetry.scripts]
-submit = 'taas_client.cli:run'
+submit = 'taas_client.cli:app'
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.1.3"

taas_client/cli.py

@@ -10,8 +10,10 @@ from rich.console import Console
 from rich.panel import Panel
 
 console = Console()
+app = typer.Typer()
 
 
+@app.command()
 def upload_file(
     notebook: Path = typer.Argument(
         ...,
@@ -98,9 +100,5 @@ def upload_file(
     )
 
 
-def run():
-    typer.run(upload_file)
-
-
 if __name__ == "__main__":
-    run()
+    app()