autobump: fix a pep8 e501 error

E501 line too long (80 > 79 characters)
No functional changes.

Change-Id: I97a85ad67977e086aed473c33e4d038d837fb80c
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/infra/openbmc-autobump.py b/infra/openbmc-autobump.py
index 6716f4f..243a73e 100755
--- a/infra/openbmc-autobump.py
+++ b/infra/openbmc-autobump.py
@@ -48,7 +48,8 @@
             if 'SRCREV' in line:
                 sha = line.split('=')[-1].replace('"', '').strip()
             elif '_URI' in line and 'github.com/openbmc' in line:
-                uri = line.split(';')[0].split('=')[-1].replace('"', '').strip()
+                uri = line.split(';')[0]
+                uri = uri.split('=')[-1].replace('"', '').strip()
                 project = uri.split('/')[-1].replace('.git', '')
 
             if project and sha: