Remove trailing whitespace from Python files

plugins/USBPrinting/USBPrinterOutputDevice.py

@@ -118,7 +118,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
     def requestWrite(self, nodes: List["SceneNode"], file_name: Optional[str] = None, limit_mimetypes: bool = False,
                      file_handler: Optional["FileHandler"] = None, filter_by_machine: bool = False, **kwargs) -> None:
         """Request the current scene to be sent to a USB-connected printer.
-        
+
         :param nodes: A collection of scene nodes to send. This is ignored.
         :param file_name: A suggestion for a file name to write.
         :param filter_by_machine: Whether to filter MIME types by machine. This
@@ -148,7 +148,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
 
     def _printGCode(self, gcode: str):
         """Start a print based on a g-code.
-        
+
         :param gcode: The g-code to print.
         """
         self._gcode.clear()

plugins/USBPrinting/USBPrinterOutputDeviceManager.py

@@ -110,7 +110,7 @@ class USBPrinterOutputDeviceManager(QObject, OutputDevicePlugin):
 
     def getSerialPortList(self, only_list_usb = False):
         """Create a list of serial ports on the system.
-        
+
         :param only_list_usb: If true, only usb ports are listed
         """
         base_list = []

plugins/USBPrinting/avr_isp/intelHex.py

@@ -31,7 +31,7 @@ def readHex(filename):
         check_sum &= 0xFF
         if check_sum != 0:
             raise Exception("Checksum error in hex file: " + line)
-        
+
         if rec_type == 0:#Data record
             while len(data) < addr + rec_len:
                 data.append(0)

plugins/USBPrinting/avr_isp/ispBase.py

@@ -22,7 +22,7 @@ class IspBase():
         if not self.chip:
             raise IspError("Chip with signature: " + str(self.getSignature()) + "not found")
         self.chipErase()
-        
+
         Logger.log("d", "Flashing %i bytes", len(flash_data))
         self.writeFlash(flash_data)
         Logger.log("d", "Verifying %i bytes", len(flash_data))

plugins/USBPrinting/avr_isp/stk500v2.py

@@ -56,7 +56,7 @@ class Stk500v2(ispBase.IspBase):
             self.close()
             raise
         self.serial.timeout = 5
- 
+
     def close(self):
         if self.serial is not None:
             self.serial.close()