From 9d393623fd158bef294c79d3f4d1b9da8fe9bb04 Mon Sep 17 00:00:00 2001
From: Markus Unterwaditzer <markus@unterwaditzer.net>
Date: Wed, 31 May 2017 13:56:10 +0200
Subject: [PATCH] Fix error message if etesync is not installed

---
 vdirsyncer/storage/etesync.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vdirsyncer/storage/etesync.py b/vdirsyncer/storage/etesync.py
index 85e1f01..ebdfea4 100644
--- a/vdirsyncer/storage/etesync.py
+++ b/vdirsyncer/storage/etesync.py
@@ -127,10 +127,10 @@ class EtesyncStorage(Storage):
     @classmethod
     def discover(cls, email, secrets_dir, server_url=None, db_path=None,
                  **kwargs):
-        assert cls._collection_type
         if kwargs.get('collection', None) is not None:
             raise TypeError('collection argument must not be given.')
         session = _Session(email, secrets_dir, server_url, db_path)
+        assert cls._collection_type
         session.etesync.sync_journal_list()
         for entry in session.etesync.list():
             if isinstance(entry.collection, cls._collection_type):