Refactor llama-deploy sample app (#23)

* chore(samples): format and remove unused imports

* fix(samples): remove unused code

* refactor(samples): introduce function in tests

Author: arpad-csepi

samples/llama-deploy/llama-sum/Taskfile.yaml

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 ---
-version: "3"
+version: '3'
 
 silent: true
 

samples/llama-deploy/llama-sum/tests/test.py

@@ -1,26 +1,27 @@
 # SPDX-FileCopyrightText: Copyright (c) 2025 Cisco and/or its affiliates.
 # SPDX-License-Identifier: Apache-2.0
 
-import json
-import os
-import sys
-import time
 
 from llama_deploy import ControlPlaneConfig, LlamaDeployClient
 
-init_timestamp = time.time()
-
-# points to deployed control plane
-client = LlamaDeployClient(ControlPlaneConfig())
-
-session = client.create_session()
-result = session.run("sum", max=10)
-v = result.split()
-# expected string in the form of
-# v1 + v2 = v3
-# we check it the sum returned is correct
-sum = int(v[0]) + int(v[2])
-assert v[4] == str(
-    sum
-), f"Got a wrong results. Expected {str(sum)}, received {v[4]}"
-print("test succeded")
+result = None
+
+
+def run_test():
+    # points to deployed control plane
+    client = LlamaDeployClient(ControlPlaneConfig())
+
+    session = client.create_session()
+    result = session.run("sum", max=10)
+    v = result.split()
+    # expected string in the form of
+    # v1 + v2 = v3
+    # we check it the sum returned is correct
+    sum = int(v[0]) + int(v[2])
+    assert v[4] == str(sum), (
+        f"Got a wrong results. Expected {str(sum)}, received {v[4]}"
+    )
+    print("test succeded")
+
+
+run_test()