assert datadir available

lib/simple_config.py

@@ -6,6 +6,7 @@ import stat
 
 from copy import deepcopy
 
+from . import util
 from .util import (user_dir, print_error, PrintError,
                    NoDynamicFeeEstimates, format_fee_satoshis)
 from .i18n import _
@@ -236,10 +237,7 @@ class SimpleConfig(PrintError):
             return path
 
         # default path
-        if not os.path.exists(self.path):
-            raise FileNotFoundError(
-                _('Electrum datadir does not exist. Was it deleted while running?') + '\n' +
-                _('Should be at {}').format(self.path))
+        util.assert_datadir_available(self.path)
         dirpath = os.path.join(self.path, "wallets")
         if not os.path.exists(dirpath):
             if os.path.islink(dirpath):