tfix missing import. fixes #738 - electrum - Electrum Bitcoin wallet
 (HTM) git clone https://git.parazyd.org/electrum
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       ---
 (DIR) commit 8feb2a7b672ce9075fadb056d1f2f5320376795b
 (DIR) parent b03d11003e34b681df1aad8dc6c305507ab213dd
 (HTM) Author: ThomasV <thomasv@gitorious>
       Date:   Fri, 27 Jun 2014 14:42:02 +0200
       
       fix missing import. fixes #738
       
       Diffstat:
         M lib/x509.py                         |       3 ++-
       
       1 file changed, 2 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/lib/x509.py b/lib/x509.py
       t@@ -17,7 +17,8 @@
        # along with this program. If not, see <http://www.gnu.org/licenses/>.
        
        
       -from datetime import datetime, timedelta
       +from datetime import datetime
       +import sys
        
        try:
            import pyasn1