Couple minor fixes.

calibre-plugin/config.py

@@ -15,8 +15,8 @@ from PyQt4.Qt import (QDialog, QWidget, QVBoxLayout, QHBoxLayout, QLabel,
                       QCheckBox, QPushButton, QTabWidget, QVariant, QScrollArea,
                       QDialogButtonBox )
 
-from calibre.utils.config import JSONConfig
 from calibre.gui2.ui import get_gui
+from calibre.gui2 import dynamic, info_dialog
 
 from calibre_plugins.fanfictiondownloader_plugin.prefs import prefs, PREFS_NAMESPACE
 from calibre_plugins.fanfictiondownloader_plugin.dialogs \

calibre-plugin/ffdl_plugin.py

@@ -1668,7 +1668,7 @@ class FanFictionDownLoaderPlugin(InterfaceAction):
                     # identifiers have :->| in uri.
                     # print("uri from ident uri:%s"%identifiers['uri'].replace('|',':'))
                     return identifiers['uri'].replace('|',':')
-            elif path.lower().endswith('.epub'):
+            elif path and path.lower().endswith('.epub'):
                 existingepub = path
                 
             ## only epub has URL in it--at least where I can easily find it.