Better variable naming

Thanks to DxCx

couchpotato/core/helpers/rss.py

@@ -3,7 +3,7 @@ import xml.etree.ElementTree as XMLTree
 
 log = CPLog(__name__)
 
-class RSS():
+class RSS(object):
 
     def getTextElements(self, xml, path):
         ''' Find elements and return tree'''

couchpotato/core/helpers/variable.py

@@ -67,10 +67,9 @@ def getImdb(txt):
         output.close()
 
     try:
-        m = re.search('(?P<id>tt[0-9{7}]+)', txt)
-        id = m.group('id')
-        if id:  return id
-    except AttributeError:
+        id = re.findall('imdb\.com\/title\/tt(\d{7})', txt)[0]
+        return id
+    except IndexError:
         pass
 
     return False