Change xthor so indents are less

Fix __getitem__ error in xthor
Fixes https://github.com/SickRage/sickrage-issues/issues/140

sickbeard/providers/xthor.py

@@ -85,19 +85,27 @@ class XthorProvider(generic.TorrentProvider):
                 searchURL = self.urlsearch % (urllib.quote(search_string), self.categories)
                 logger.log(u"Search URL: %s" %  searchURL, logger.DEBUG)
                 data = self.getURL(searchURL)
-
                 if not data:
                     continue
 
                 with BS4Parser(data, features=["html5lib", "permissive"]) as html:
                     resultsTable = html.find("table", {"class" : "table2 table-bordered2"})
-                    if resultsTable:
+                    if not resultsTable:
+                        continue
+
                     rows = resultsTable.findAll("tr")
                     for row in rows:
                         link = row.find("a", href=re.compile("details.php"))
-                            if link:
+                        if not link:
+                            continue
+
                         title = link.text
-                                download_url = self.url + '/' + row.find("a", href=re.compile("download.php"))['href']
+                        download_item = row.find("a", href=re.compile("download.php"))
+                        if not download_item:
+                            continue
+
+                        download_url = self.url + '/' + download_item['href']
+
                         # FIXME
                         size = -1
                         seeders = 1