Merge pull request #6 from enwaytech/mz/make_py3_compatible

[reach_rs_driver] make python3 compatible

src/enway_reach_rs_driver/reach_rs_driver.py

@@ -124,7 +124,7 @@ def connect_to_device(self):
                 return
             except socket.timeout:
                 self.connection_status = 'connect timeout'
-            except socket.error,  msg:
+            except socket.error as msg:
                 self.connection_status = 'connect error ({0})'.format(msg)
 
         exit()