More Pythonics util.print_error

lib/gui_lite.py

@@ -491,7 +491,7 @@ class MiniActuator:
         try:
             theme_prefix, theme_path = self.themes[self.theme_name]
         except KeyError:
-            util.print_error("Theme not found! ", self.theme_name)
+            util.print_error("Theme not found!", self.theme_name)
             return
         QDir.setCurrent(os.path.join(theme_prefix, theme_path))
         with open(rsrc("style.css")) as style_file:

lib/util.py

@@ -3,10 +3,9 @@ import platform
 import sys
 
 def print_error(*args):
-    """Print out the arguments to standard error."""
-    for item in args:
-      sys.stderr.write(str(item))
-    sys.stderr.write("\n")
+    # Stringify args
+    args = [str(item) for item in args]
+    sys.stderr.write(" ".join(args) + "\n")
     sys.stderr.flush()
 
 def appdata_dir():