fix assert used

core/agent.py

@@ -71,7 +71,8 @@ class BaseAgent(Agent):
         """Run a single interaction with the agent."""
         if self.model is None:
             await self.initialize()
-        assert self.model is not None
+        if self.model is None:
+            raise RuntimeError("Model initialization failed: model is None")
 
         messages: list[dict[str, str]] = [
             {"role": "system", "content": self.system_prompt},
@@ -91,7 +92,8 @@ class BaseAgent(Agent):
         """Run the agent with tool calling capability."""
         if self.model is None:
             await self.initialize()
-        assert self.model is not None
+        if self.model is None:
+            raise RuntimeError("Model initialization failed: model is None")
 
         try:
             capture = _ActResponseCapture()

core/dispatcher.py

@@ -489,7 +489,8 @@ class IssueTaskProcessor(TaskProcessor):
             return f"SKIP: Awaiting human reply on issue #{self.item.task_number} or PR."
 
         issue_info = self.item.task_info
-        assert isinstance(issue_info, IssueModel)
+        if not isinstance(issue_info, IssueModel):
+            raise TypeError("Expected task_info to be an IssueModel")
         title = issue_info.title
         issue_body = issue_info.body or "No description provided."
 
@@ -738,7 +739,8 @@ class AgentDispatcher:
 
     def _build_pr_mission(self, item: WorkItem) -> str:
         pr_info = item.task_info
-        assert isinstance(pr_info, PullRequestModel)
+        if not isinstance(pr_info, PullRequestModel):
+            raise TypeError("Expected task_info to be a PullRequestModel")
         processor = PRTaskProcessor(
             client=self._client,
             tools=self._tools,
@@ -751,7 +753,8 @@ class AgentDispatcher:
 
     def _build_issue_mission(self, item: WorkItem) -> str:
         issue_info = item.task_info
-        assert isinstance(issue_info, IssueModel)
+        if not isinstance(issue_info, IssueModel):
+            raise TypeError("Expected task_info to be an IssueModel")
         processor = IssueTaskProcessor(
             client=self._client,
             tools=self._tools,