diff --git a/cps/gdriveutils.py b/cps/gdriveutils.py
index f528f050..b41813c8 100644
--- a/cps/gdriveutils.py
+++ b/cps/gdriveutils.py
@@ -194,7 +194,6 @@ def downloadFile(drive, path, filename, output):
     f.GetContentFile(output)
 
 def backupCalibreDbAndOptionalDownload(drive, f=None):
-    pass
     if not drive:
         drive=getDrive()
     if drive.auth.access_token_expired:
@@ -354,12 +353,11 @@ def getChangeById (drive, change_id):
         drive=getDrive()
     if drive.auth.access_token_expired:
         drive.auth.Refresh() 
-    """Print a single Change resource information.
-
-    Args:
-    service: Drive API service instance.
-    change_id: ID of the Change resource to retrieve.
-    """
+    # Print a single Change resource information.
+    #
+    # Args:
+    # service: Drive API service instance.
+    # change_id: ID of the Change resource to retrieve.
     try:
         change = drive.auth.service.changes().get(changeId=change_id).execute()
         return change
diff --git a/cps/static/js/get_meta.js b/cps/static/js/get_meta.js
index f9fa5b60..583abea2 100644
--- a/cps/static/js/get_meta.js
+++ b/cps/static/js/get_meta.js
@@ -65,7 +65,7 @@ $(document).ready(function () {
             $("#description").val(meta.summary);
             $("#bookAuthor").val(meta.author.join(" & "));
             $("#book_title").val(meta.title);
-            var tags = '';
+            tags = '';
             for (var i = 0; i < meta.tags.length; i++) {
                 tags = tags + meta.tags[i].title + ',';
             }
@@ -74,7 +74,8 @@ $(document).ready(function () {
             return;
         }
     }
-    do_search = function (keyword) {
+
+    function do_search (keyword) {
         show_flag = 0;
         $("#meta-info").text(msg.loading);
         var keyword = $("#keyword").val();
@@ -84,26 +85,6 @@ $(document).ready(function () {
         }
     }
 
-    db_search_book = function (title) {
-        var url = douban + dbSearch + '?q=' + title + '&fields=all&count=10';
-        $.ajax({
-            url: url,
-            type: "GET",
-            dataType: "jsonp",
-            jsonp: 'callback',
-            success: function (data) {
-                db_results = data.books;
-            },
-            error: function () {
-                $('#meta-info').html('<p class="text-danger">'+ msg.search_error+'!</p>');
-            },
-            complete: function () {
-                dbDone = true;
-                show_result();
-            }
-        });
-    }
-
     function show_result () {
         show_flag++;
         if (show_flag == 1) {
@@ -163,6 +144,26 @@ $(document).ready(function () {
         }
     }
 
+    db_search_book = function (title) {
+        var url = douban + dbSearch + '?q=' + title + '&fields=all&count=10';
+        $.ajax({
+            url: url,
+            type: "GET",
+            dataType: "jsonp",
+            jsonp: 'callback',
+            success: function (data) {
+                db_results = data.books;
+            },
+            error: function () {
+                $('#meta-info').html('<p class="text-danger">'+ msg.search_error+'!</p>');
+            },
+            complete: function () {
+                dbDone = true;
+                show_result();
+            }
+        });
+    }
+
     $("#do-search").click(function () {
         var keyword = $("#keyword").val();
         if (keyword) {