Fixed flake8 W and F errors

nw/gui/theme.py

@@ -33,7 +33,7 @@ import nw
 from os import path, listdir
 from math import ceil
 
-from PyQt5.QtCore import Qt, QSize
+from PyQt5.QtCore import Qt
 from PyQt5.QtSvg import QSvgWidget
 from PyQt5.QtWidgets import QStyle, qApp
 from PyQt5.QtGui import (
@@ -260,6 +260,7 @@ class GuiTheme:
                     cssData = inFile.read()
         except Exception as e:
             logger.error("Could not load theme css file")
+            logger.error(str(e))
             return False
 
         # Config File
@@ -269,6 +270,7 @@ class GuiTheme:
                 confParser.read_file(inFile)
         except Exception as e:
             logger.error("Could not load theme settings from: %s" % self.confFile)
+            logger.error(str(e))
             return False
 
         ## Main
@@ -324,6 +326,7 @@ class GuiTheme:
                 confParser.read_file(inFile)
         except Exception as e:
             logger.error("Could not load syntax colours from: %s" % self.syntaxFile)
+            logger.error(str(e))
             return False
 
         ## Main
@@ -615,6 +618,7 @@ class GuiIcons:
                 confParser.read_file(inFile)
         except Exception as e:
             logger.error("Could not load icon theme settings from: %s" % self.confFile)
+            logger.error(str(e))
             return False
 
         ## Main