PEP8

fix except clause and indentation

synapse/federation/transaction_queue.py

@@ -188,7 +188,7 @@ class TransactionQueue(object):
                                 prev_id for prev_id, _ in event.prev_events
                             ],
                         )
-                    except:
+                    except Exception:
                         logger.exception("Failed to calculate hosts in room")
                         continue
 
@@ -249,7 +249,7 @@ class TransactionQueue(object):
         Args:
             states (list(UserPresenceState))
         """
-	return
+        return
 
         # First we queue up the new presence by user ID, so multiple presence
         # updates in quick successtion are correctly handled

synapse/replication/slave/storage/client_ips.py

@@ -42,7 +42,7 @@ class SlavedClientIpStore(BaseSlavedStore):
         if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
             return
 
-	self.client_ip_last_seen.prefill(key, now)
+        self.client_ip_last_seen.prefill(key, now)
 
         self.hs.get_tcp_replication().send_user_ip(
             user_id, access_token, ip, user_agent, device_id, now