corrected last page error

recordings/get_recordings.py

@@ -86,15 +86,18 @@ def getNextHTML(html_current) :
     :param html_current: the initial HTML code to scrape for the next page."""
 
     html = html_current
-    
+
     yield html
-    td = html.find('td', attrs = {'class' : 'next'})
+    button = html.find('td', attrs = {'class' : 'next'})
     
-    while td :
-        url = HOSTNAME + td.find('a')['href']
-        html = getHTML(url)
-        yield html
-        td = html.find('td', attrs = {'class' : 'next'})
+    if button :
+        button = button.find('a')
+        
+        while button :
+            url = HOSTNAME + button['href']
+            html = getHTML(url)
+            yield html
+            button = html.find('td', attrs = {'class' : 'next'}).find('a')
 
 
 def getFilesIDs(html) :