fixed formatting issues

tools/cfg_util/boards/__init__.py

@@ -8,7 +8,10 @@ from matplotlib.figure import Figure
 import numpy as np
 from reportlab.lib import colors
 from reportlab.lib.pagesizes import letter, inch
-from reportlab.lib.styles import ParagraphStyle, TA_CENTER
+from reportlab.lib.styles import (
+    ParagraphStyle,
+    TA_CENTER,  # noqa - not declared in __all__
+)
 from reportlab.lib.utils import ImageReader
 from reportlab.platypus import (
     SimpleDocTemplate,

tools/cfg_util/scan/__init__.py

@@ -37,10 +37,8 @@ for table in TABLE_HEADERS:
 
 
 async def btn_all():
-    table = "scan_table"
-    window[table].update(
-        select_rows=([row for row in range(len(window[table].Values))])
-    )
+    tbl = "scan_table"
+    window[tbl].update(select_rows=([row for row in range(len(window[tbl].Values))]))
 
 
 async def btn_scan(scan_ip: str):

tools/cfg_util/ui.py

@@ -47,7 +47,7 @@ def _table_copy(table):
             for item in value:
                 values.append(str(item).strip())
             _copy_values.append(values)
-        except Exception as E:
+        except Exception:
             pass
 
     copy_values = []
@@ -88,7 +88,7 @@ async def ui():
         bind_ctrl_a(key)
 
     # create images used in the table, they will not show if not saved here
-    tk_imgs = TkImages()
+    tk_imgs = TkImages()  # noqa - need to save this in memory to hold images
 
     # left justify hostnames
     window["scan_table"].Widget.column(2, anchor=tk.W)