fix indent to get this working again

Change-Id: If48dcf4d04d3888975687aa85557e2cee317f2dd

bin/get-bugzilla-attachments-by-mimetype

@@ -29,19 +29,19 @@ import stat
 import sys
 import threading, Queue
 try:
-from urllib.request import urlopen
+    from urllib.request import urlopen
 except:
-from urllib import urlopen
+    from urllib import urlopen
 try:
-import xmlrpc.client as xmlrpclib
+    import xmlrpc.client as xmlrpclib
 except:
-import xmlrpclib
+    import xmlrpclib
 from xml.dom import minidom
 from xml.sax.saxutils import escape
 
 def urlopen_retry(url):
-maxretries = 3
-for i in range(maxretries + 1):
+    maxretries = 3
+    for i in range(maxretries + 1):
         try:
             return urlopen(url)
         except IOError as e: