diff --git a/studio/backend/core/inference/llama_cpp.py b/studio/backend/core/inference/llama_cpp.py
index 8c9f67b188..fb410f558c 100644
--- a/studio/backend/core/inference/llama_cpp.py
+++ b/studio/backend/core/inference/llama_cpp.py
@@ -5090,9 +5090,11 @@ class LlamaCppBackend:
                     # so insertion order is deterministic (Python 3.7+).
                     _tc_key = tool_name + str(arguments)
                     _prev = _tool_call_history[-1] if _tool_call_history else None
-                    _denied = confirm_tool_calls and request_tool_decision(
-                        session_id, cancel_event=cancel_event
-                    ) == "deny"
+                    _denied = (
+                        confirm_tool_calls
+                        and request_tool_decision(session_id, cancel_event = cancel_event)
+                        == "deny"
+                    )
                     if _denied:
                         result = TOOL_REJECTED_MESSAGE
                     elif _prev and _prev[0] == _tc_key and not _prev[1]:
diff --git a/studio/backend/core/inference/safetensors_agentic.py b/studio/backend/core/inference/safetensors_agentic.py
index 157061e34e..7f1a2273fc 100644
--- a/studio/backend/core/inference/safetensors_agentic.py
+++ b/studio/backend/core/inference/safetensors_agentic.py
@@ -320,9 +320,11 @@ def run_safetensors_tool_loop(
             }
 
             tc_key = tool_name + str(arguments)
-            denied = confirm_tool_calls and request_tool_decision(
-                session_id, cancel_event=cancel_event
-            ) == "deny"
+            denied = (
+                confirm_tool_calls
+                and request_tool_decision(session_id, cancel_event = cancel_event)
+                == "deny"
+            )
             if denied:
                 result = TOOL_REJECTED_MESSAGE
             elif allowed_tool_names and tool_name not in allowed_tool_names:
diff --git a/studio/backend/state/tool_approvals.py b/studio/backend/state/tool_approvals.py
index f187e630b9..cd376be24d 100644
--- a/studio/backend/state/tool_approvals.py
+++ b/studio/backend/state/tool_approvals.py
@@ -33,7 +33,7 @@ def _key(session_id: Optional[str]) -> str:
     return session_id or ""
 
 
-def request_tool_decision(session_id, cancel_event=None, timeout=_DECISION_TIMEOUT):
+def request_tool_decision(session_id, cancel_event = None, timeout = _DECISION_TIMEOUT):
     """Block until the user allows/denies the pending tool call.
 
     Returns ``"allow"`` or ``"deny"``. Falls back to ``"deny"`` if the wait
@@ -45,7 +45,7 @@ def request_tool_decision(session_id, cancel_event=None, timeout=_DECISION_TIMEO
         _pending[key] = {"event": event, "decision": None}
     try:
         waited = 0.0
-        while not event.wait(timeout=0.5):
+        while not event.wait(timeout = 0.5):
             if cancel_event is not None and cancel_event.is_set():
                 return "deny"
             waited += 0.5