Typo.

slapos/libconnection.py

@@ -68,11 +68,12 @@ class HTTPSConnectionCertificateVerification(httplib.HTTPSConnection):
                                 ca_certs=self.ssl_cert_path,
                                 cert_reqs=ssl.CERT_REQUIRED)
     cert = self.sock.getpeercert()
-    for field in cert['subject']:
-      if field[0][0] == 'commonName':
-        certhost = field[0][1]
-        if certhost != self.host:
-          raise ssl.SSLError(\
+    if cert:
+      for field in cert['subject']:
+        if field[0][0] == 'commonName':
+          certhost = field[0][1]
+          if certhost != self.host:
+            raise ssl.SSLError(\
                   "Host name '%s' doesn't match with the certificate host '%s'"
                          % (self.host, certhost))
 
@@ -90,7 +91,7 @@ class VerifiedHTTPSHandler(urllib2.HTTPSHandler):
 
 
 def install_opener_director(info_dict):
-  if info_dict.get('schema') in ('https',):
+  if info_dict.get('scheme') in ('https',):
     https_handler = VerifiedHTTPSHandler()
     url_opener = urllib2.build_opener(https_handler)
     urllib2.install_opener(url_opener)