Fixed: Error checking if files should be deleted after import won't leave import in limbo

Closes #4318

src/NzbDrone.Core/MediaFiles/DownloadedEpisodesImportService.cs

@@ -111,7 +111,8 @@ namespace NzbDrone.Core.MediaFiles
             {
                 var videoFiles = _diskScanService.GetVideoFiles(directoryInfo.FullName);
                 var rarFiles = _diskProvider.GetFiles(directoryInfo.FullName, SearchOption.AllDirectories).Where(f =>
-                    Path.GetExtension(f).Equals(".rar", StringComparison.OrdinalIgnoreCase));
+                    Path.GetExtension(f).Equals(".rar",
+                        StringComparison.OrdinalIgnoreCase));
 
                 foreach (var videoFile in videoFiles)
                 {
@@ -144,6 +145,11 @@ namespace NzbDrone.Core.MediaFiles
                 _logger.Debug(e, "Folder {0} has already been removed", directoryInfo.FullName);
                 return false;
             }
+            catch (Exception e)
+            {
+                _logger.Debug(e, "Unable to determine whether folder {0} should be removed", directoryInfo.FullName);
+                return false;
+            }
         }
 
         private List<ImportResult> ProcessFolder(DirectoryInfo directoryInfo, ImportMode importMode, DownloadClientItem downloadClientItem)