diff --git a/agents/language/python_agent.py b/agents/language/python_agent.py
index 9d692a1e2..f4b30ec85 100644
--- a/agents/language/python_agent.py
+++ b/agents/language/python_agent.py
@@ -6,10 +6,9 @@
 from __future__ import annotations
 
 import logging
-from datetime import datetime, timezone
 from typing import Any, Dict, List, Optional
 
-from agents.core.agent_framework import AgentConfig, AgentData, AgentType, BaseAgent
+from agents.core.agent_framework import AgentConfig, AgentType
 from agents.design_time.code_repo_agent import CodeRepoAgent
 
 logger = logging.getLogger(__name__)
diff --git a/apps/api/app.py b/apps/api/app.py
index 3ea61f1b0..c67aa3386 100644
--- a/apps/api/app.py
+++ b/apps/api/app.py
@@ -46,7 +46,7 @@
     from risk.reachability.api import router as reachability_router
 except ImportError:
     reachability_router = None
-    logger.warning("Reachability analysis API not available")
+    logging.getLogger(__name__).warning("Reachability analysis API not available")
 from core.analytics import AnalyticsStore
 from core.configuration import OverlayConfig, load_overlay
 from core.enhanced_decision import EnhancedDecisionEngine
@@ -61,7 +61,6 @@
 else:  # pragma: no cover - fallback when instrumentation is unavailable
     from telemetry.fastapi_noop import FastAPIInstrumentor  # type: ignore[assignment]
 
-from .health import router as health_router
 from .middleware import CorrelationIdMiddleware, RequestLoggingMiddleware
 from .normalizers import (
     InputNormalizer,
diff --git a/compliance/templates/hipaa.py b/compliance/templates/hipaa.py
index eb08deb2a..58b1ad96b 100644
--- a/compliance/templates/hipaa.py
+++ b/compliance/templates/hipaa.py
@@ -1,5 +1,7 @@
 """HIPAA Compliance Template."""
 
+from typing import Any, Dict, List
+
 from compliance.templates.base import ComplianceRule, ComplianceTemplate
 
 
diff --git a/compliance/templates/nist.py b/compliance/templates/nist.py
index a863b91c9..e754266ed 100644
--- a/compliance/templates/nist.py
+++ b/compliance/templates/nist.py
@@ -3,6 +3,8 @@
 Pre-built rules for NIST Secure Software Development Framework (SSDF).
 """
 
+from typing import Any, Dict, List
+
 from compliance.templates.base import ComplianceRule, ComplianceTemplate
 
 
diff --git a/compliance/templates/pci_dss.py b/compliance/templates/pci_dss.py
index 069e4a21e..dc8340a54 100644
--- a/compliance/templates/pci_dss.py
+++ b/compliance/templates/pci_dss.py
@@ -1,5 +1,7 @@
 """PCI DSS Compliance Template."""
 
+from typing import Any, Dict, List
+
 from compliance.templates.base import ComplianceRule, ComplianceTemplate
 
 
diff --git a/compliance/templates/soc2.py b/compliance/templates/soc2.py
index f7e5cf55a..9746fdb11 100644
--- a/compliance/templates/soc2.py
+++ b/compliance/templates/soc2.py
@@ -1,5 +1,7 @@
 """SOC 2 Compliance Template."""
 
+from typing import Any, Dict, List
+
 from compliance.templates.base import ComplianceRule, ComplianceTemplate
 
 
diff --git a/tests/e2e/test_cli_functionality.py b/tests/e2e/test_cli_functionality.py
index 15389669a..8dba89d3c 100644
--- a/tests/e2e/test_cli_functionality.py
+++ b/tests/e2e/test_cli_functionality.py
@@ -166,8 +166,6 @@ def test_monitor_command(self, api_server_running):
             pytest.skip("API server not running")
 
         # Run monitor for a short time
-        import signal
-
         process = subprocess.Popen(
             [
                 "python",