Update bits.py

Author: schofiaj

psychopy/hardware/crs/bits.py

@@ -581,18 +581,18 @@ def getInfo(self):
         # get product ('Bits_Sharp'?)
         self.sendMessage(b'$ProductType\r')
         time.sleep(0.1)
-        info['ProductType'] = self.read().replace('#ProductType;', '')
-        info['ProductType'] = info['ProductType'].replace(';\n\r', '')
+        info['ProductType'] = self.read().replace(b'#ProductType;', b'')
+        info['ProductType'] = info['ProductType'].replace(b';\n\r', b'')
         # get serial number
         self.sendMessage(b'$SerialNumber\r')
         time.sleep(0.1)
-        info['SerialNumber'] = self.read().replace('#SerialNumber;', '')
-        info['SerialNumber'] = info['SerialNumber'].replace('\x00\n\r', '')
+        info['SerialNumber'] = self.read().replace(b'#SerialNumber;', b'')
+        info['SerialNumber'] = info['SerialNumber'].replace(b'\x00\n\r', b'')
         # get firmware date
         self.sendMessage(b'$FirmwareDate\r')
         time.sleep(0.1)
-        info['FirmwareDate'] = self.read().replace('#FirmwareDate;', '')
-        info['FirmwareDate'] = info['FirmwareDate'].replace(';\n\r', '')
+        info['FirmwareDate'] = self.read().replace(b'#FirmwareDate;', b'')
+        info['FirmwareDate'] = info['FirmwareDate'].replace(b';\n\r', b'')
         return info
 
     @property