Fix linting errors

Author: nagasatish007

pyproject.toml

@@ -107,6 +107,8 @@ include_trailing_comma = true
 [tool.ruff]
 line-length = 100
 target-version = "py38"
+
+[tool.ruff.lint]
 select = [
     "E",  # pycodestyle errors
     "W",  # pycodestyle warnings

src/agentguard/client.py

@@ -2,7 +2,6 @@
 
 import logging
 import time
-from datetime import datetime
 from typing import Any, Awaitable, Callable, Dict, Optional, Union
 
 import httpx

src/agentguard/policy.py

@@ -1,6 +1,6 @@
 """Policy utilities for building and testing policies."""
 
-from typing import Any, Dict, List
+from typing import Any, Dict
 
 from agentguard.types import Policy, PolicyTestResult
 

tests/test_client.py

@@ -11,7 +11,7 @@ def test_client_initialization():
         api_key="test-key",
         ssa_url="http://localhost:3000"
     )
-    
+
     assert guard.api_key == "test-key"
     assert guard.ssa_url == "http://localhost:3000"
     assert guard.timeout == 5.0
@@ -25,7 +25,7 @@ def test_client_with_custom_config():
         timeout=10.0,
         max_retries=5
     )
-    
+
     assert guard.timeout == 10.0
     assert guard.max_retries == 5
 

tests/test_policy.py

@@ -16,7 +16,7 @@ def test_policy_builder():
         )
         .build()
     )
-    
+
     assert policy.name == "test-policy"
     assert policy.description == "Test policy description"
     assert len(policy.rules) == 1
@@ -41,7 +41,7 @@ def test_policy_builder_chaining():
         )
         .build()
     )
-    
+
     assert len(policy.rules) == 2
 
 
@@ -59,11 +59,11 @@ def test_policy_tester():
         )
         .build()
     )
-    
+
     result = tester.test_policy(
         policy=policy,
         request={"tool_name": "test", "parameters": {}}
     )
-    
+
     assert result.decision is not None
     assert result.reason is not None