Fix storing of last auto detected serial port.

[cura.git] / Cura / avr_isp / stk500v2.py

diff --git a/Cura/avr_isp/stk500v2.py b/Cura/avr_isp/stk500v2.py
index 82fb12f4b9181887a4612a58ee4f67af9ca9718d..d52311b6e8fd3d079629a281f7d7da00b97ab032 100644 (file)
--- a/Cura/avr_isp/stk500v2.py
+++ b/Cura/avr_isp/stk500v2.py
@@ -14,7 +14,7 @@ class Stk500v2(ispBase.IspBase):
                self.progressCallback = None
        
        def connect(self, port = 'COM22', speed = 115200):
-               if self.serial != None:
+               if self.serial is not None:
                        self.close()
                try:
                        self.serial = Serial(str(port), speed, timeout=1, writeTimeout=10000)
@@ -29,7 +29,7 @@ class Stk500v2(ispBase.IspBase):
                time.sleep(0.1)
                self.serial.setDTR(0)
                time.sleep(0.2)
-               
+
                self.sendMessage([1])
                if self.sendMessage([0x10, 0xc8, 0x64, 0x19, 0x20, 0x00, 0x53, 0x03, 0xac, 0x53, 0x00, 0x00]) != [0x10, 0x00]:
                        self.close()
@@ -37,7 +37,7 @@ class Stk500v2(ispBase.IspBase):
                self.serial.timeout = 5
 
        def close(self):
-               if self.serial != None:
+               if self.serial is not None:
                        self.serial.close()
                        self.serial = None