port_publisher: remove error handling that was probably never used
diff --git a/examples/port_publisher.py b/examples/port_publisher.py
index 639f0f6..1ce0c2b 100755
--- a/examples/port_publisher.py
+++ b/examples/port_publisher.py
@@ -541,16 +541,12 @@
             error_map = {}

             for publisher in published.values():

                 publisher.update_select_maps(read_map, write_map, error_map)

-            try:

-                readers, writers, errors = select.select(

-                        read_map.keys(),

-                        write_map.keys(),

-                        error_map.keys(),

-                        5

-                )

-            except select.error as err:

-                if err[0] != EINTR:

-                    raise

+            readers, writers, errors = select.select(

+                    read_map.keys(),

+                    write_map.keys(),

+                    error_map.keys(),

+                    5

+            )

             # select_end = time.time()

             # print "select used %.3f s" % (select_end - select_start)

             for reader in readers: