diff --git a/xicam/core/threads/__init__.py b/xicam/core/threads/__init__.py
index 5af37e37..7040c2e0 100644
--- a/xicam/core/threads/__init__.py
+++ b/xicam/core/threads/__init__.py
@@ -174,7 +174,6 @@ def run(self, *args, **kwargs):
                 elif isinstance(self, QThreadFuture) and self.callback_slot:
                     invoke_in_main_thread(self.callback_slot, *value)
 
-
         except Exception as ex:
             self.exception = ex
             self.sigExcept.emit(ex)