diff --git a/src/embeddingbuddy/visualization/colors.py b/src/embeddingbuddy/visualization/colors.py
index dc3da3f..d263228 100644
--- a/src/embeddingbuddy/visualization/colors.py
+++ b/src/embeddingbuddy/visualization/colors.py
@@ -1,4 +1,4 @@
-from typing import List, Dict, Any
+from typing import List
 import plotly.colors as pc
 from ..models.schemas import Document
 
@@ -29,5 +29,5 @@ class ColorMapper:
                        gray_value * 0.7 + rgb[1] * 0.3, 
                        gray_value * 0.7 + rgb[2] * 0.3)
             return f'rgb({int(gray_rgb[0])},{int(gray_rgb[1])},{int(gray_rgb[2])})'
-        except:
+        except: # noqa: E722
             return 'rgb(128,128,128)'
\ No newline at end of file