Fix exception syntax for python3

Author: myname

epson_printer/__init__.py

@@ -1,5 +1,5 @@
 
-__version__ = "1.11.0"
+__version__ = "1.12.0"
 
 __all__ = ["epsonprinter","testpage"]
 

epson_printer/epsonprinter.py

@@ -103,7 +103,7 @@ class TimeoutException(Exception): pass
 @contextmanager
 def time_limit(seconds):
     def signal_handler(signum, frame):
-        raise TimeoutException, "Timed out!"
+        raise TimeoutException("Timed out!")
     signal.signal(signal.SIGALRM, signal_handler)
     signal.alarm(seconds)
     try: