refactor: Manually improve f-string formatting

lib/logitech_receiver/common.py

@@ -475,9 +475,9 @@ class NamedInts:
             raise TypeError("name must be a string")
 
         if str(value) in self.__dict__:
-            raise ValueError(f"{value} ({int(int(value))}) already known")
+            raise ValueError(f"{value} ({int(value)}) already known")
         if int(value) in self._indexed:
-            raise ValueError(f"{int(int(value))} ({value}) already known")
+            raise ValueError(f"{int(value)} ({value}) already known")
 
         self._values.append(value)
         self._is_sorted = False

lib/logitech_receiver/settings_templates.py

@@ -773,7 +773,10 @@ class DpiSlidingXY(_RawXYProcessing):
 
     def displayNewDpi(self, newDpiIdx):
         if _notify.available:
-            reason = f"DPI {int(self.dpiChoices[newDpiIdx])} [min {int(self.dpiChoices[0])}, max {int(self.dpiChoices[-1])}]"
+            selected_dpi = self.dpiChoices[newDpiIdx]
+            min_dpi = self.dpiChoices[0]
+            max_dpi = self.dpiChoices[-1]
+            reason = f"DPI {selected_dpi} [min {min_dpi}, max {max_dpi}]"
             _notify.show(self.device, reason)
 
     def press_action(self, key):  # start tracking

lib/solaar/cli/show.py

@@ -64,7 +64,7 @@ def _print_receiver(receiver):
         print("  Device activity counters:", activity_text or "(empty)")
 
 
-def _battery_text(level):
+def _battery_text(level) -> str:
     if level is None:
         return "N/A"
     elif isinstance(level, _NamedInt):