chore: lint fix

examples/templates/email_reply_agent/agent.py

@@ -8,7 +8,7 @@ from framework.graph.executor import ExecutionResult
 from framework.graph.checkpoint_config import CheckpointConfig
 from framework.llm import LiteLLMProvider
 from framework.runner.tool_registry import ToolRegistry
-from framework.runtime.agent_runtime import AgentRuntime, create_agent_runtime
+from framework.runtime.agent_runtime import create_agent_runtime
 from framework.runtime.execution_stream import EntryPointSpec
 
 from .config import default_config, metadata
@@ -251,9 +251,7 @@ class EmailReplyAgent:
                 errors.append(f"Terminal node '{t}' not found")
         for ep_id, nid in self.entry_points.items():
             if nid not in node_ids:
-                errors.append(
-                    f"Entry point '{ep_id}' references unknown node '{nid}'"
-                )
+                errors.append(f"Entry point '{ep_id}' references unknown node '{nid}'")
         return {"valid": len(errors) == 0, "errors": errors, "warnings": warnings}
 
 

examples/templates/email_reply_agent/config.py

@@ -36,7 +36,9 @@ default_config = RuntimeConfig()
 class AgentMetadata:
     name: str = "Email Reply Agent"
     version: str = "1.0.0"
-    description: str = "Filter unreplied emails, confirm recipients, send personalized replies."
+    description: str = (
+        "Filter unreplied emails, confirm recipients, send personalized replies."
+    )
     intro_message: str = "Tell me which emails you want to reply to (e.g., 'emails from @company.com in the last week')."
 
 

examples/templates/email_reply_agent/tests/test_structure.py

@@ -1,7 +1,5 @@
 """Structural tests for Email Reply Agent."""
 
-import pytest
-
 
 class TestAgentStructure:
     """Test agent graph structure."""