Modified test for equality

Author: rdelagato

xmodem/__init__.py

@@ -466,7 +466,7 @@ def recv(self, stream, crc_mode=1, retry=16, timeout=60, delay=1, quiet=0):
                     self.putc(CAN)
                     self.putc(CAN)
                     while True:
-                        if self.getc(1, timeout=1) == None:
+                        if self.getc(1, timeout=1) is None:
                             break
                         time.sleep(.001) # better cpu usage
                     return 0