Cleanup

printcore.py

@@ -227,7 +227,7 @@ class printcore():
                     self.clear = False
                 self._send(command, self.lineno, True)
                 self.lineno += 1
-                while (wait > 0) and self.printer and self.printing and not self.clear:
+                while wait > 0 and self.printer and self.printing and not self.clear:
                     time.sleep(0.001)
                     wait -= 1
         else: