diff --git a/assets/screenshot.png b/assets/screenshot.png
index 6c0d655..bb03d18 100644
Binary files a/assets/screenshot.png and b/assets/screenshot.png differ
diff --git a/main.py b/main.py
index ecc06cd..3f882a3 100644
--- a/main.py
+++ b/main.py
@@ -357,7 +357,7 @@ class DockerGUI(QMainWindow):
                 self.restore_selection(self.containers_tree, selected_items)
         except subprocess.CalledProcessError as e:
             print(f"Error refreshing containers: {e.output.decode()}")
-        except ValueError as e:
+        except ValueError:
             print(f"Error parsing container list {repr(containers)}")
         except Exception as e:
             print(f"Unexpected error refreshing containers: {str(e)}")