[d-feet/wjt/handle-unix-fd-type: 1/3] dbus_utils: simplify looking ahead 1 character

[Will Thompson <wjt src gnome org>]

commit c82efa9bfbf1b874dbf1ccea6121bea65ea89b7a
Author: Will Thompson <will willthompson co uk>
Date:   Thu Oct 18 15:25:23 2018 +0100

    dbus_utils: simplify looking ahead 1 character
    
    It's legal to slice past the end of the string; you get back an empty
    string in that case.

 src/dfeet/dbus_utils.py | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)
---
diff --git a/src/dfeet/dbus_utils.py b/src/dfeet/dbus_utils.py
index 4aa5fde..18df0fe 100644
--- a/src/dfeet/dbus_utils.py
+++ b/src/dfeet/dbus_utils.py
@@ -7,12 +7,7 @@ def convert_complex_type(subsig):
     len_consumed = 0
 
     c = subsig[0]
-
-    c_lookahead = ''
-    try:
-        c_lookahead = subsig[1]
-    except IndexError:
-        c_lookahead = ''
+    c_lookahead = subsig[1:2]
 
     if c == 'a' and c_lookahead == '{':  # handle dicts as a special case array
         ss = subsig[2:]