Fix new pylint warnings

Author: p12tic

ddg_parse_html.py

@@ -34,8 +34,8 @@ def get_content_el(root_el):
                             /div[@id="content"]
                             /div[@id="bodyContent"]
                             /div[@class="mw-content-ltr"]''')[0]
-    except Exception:
-        raise DdgException("Could not find content element")
+    except Exception as e:
+        raise DdgException("Could not find content element") from e
 
 
 VERSION_C89 = 0

index2ddg.py

@@ -129,7 +129,7 @@ class Index2DuckDuckGoList(IndexTransform):
 
     def __init__(self, ident_map):
         self.ident_map = ident_map
-        super(Index2DuckDuckGoList, self).__init__(ignore_typedefs=True)
+        super().__init__(ignore_typedefs=True)
 
     def process_item_hook(self, el, full_name, full_link):
 

index_transform/autolinker.py

@@ -75,7 +75,7 @@ def process_item_hook(self, el, full_name, full_link):
 class Index2AutolinkerLinks(IndexTransform):
 
     def __init__(self):
-        super(Index2AutolinkerLinks, self).__init__()
+        super().__init__()
         self.links = []
         self.curr_group = None