diff --git a/SW/PC/Stopwatch/log.json b/SW/PC/Stopwatch/log.json
new file mode 100644
index 0000000..fe51488
--- /dev/null
+++ b/SW/PC/Stopwatch/log.json
@@ -0,0 +1 @@
+[]
diff --git a/SW/PC/Stopwatch/usbcardreader.py b/SW/PC/Stopwatch/usbcardreader.py
index a51675e..c149192 100644
--- a/SW/PC/Stopwatch/usbcardreader.py
+++ b/SW/PC/Stopwatch/usbcardreader.py
@@ -42,7 +42,6 @@ class UsbCardReader:
                 if (( control[0] == 0 )) & (( control[2] == 40 )) & (( not receivedNumber == 0 )):
                     self.callback(receivedNumber)
                     receivedNumber = 0
-
             except KeyboardInterrupt:
                 exit()
             except: