diff --git a/senpy/meta.py b/senpy/meta.py
index 4f69931..d1d7aaa 100644
--- a/senpy/meta.py
+++ b/senpy/meta.py
@@ -23,7 +23,8 @@ import inspect
 import copy
 
 from abc import ABCMeta
-from collections import MutableMapping, namedtuple
+from collections import namedtuple
+from collections.abc import MutableMapping
 
 
 class BaseMeta(ABCMeta):
diff --git a/senpy/templates/index.html b/senpy/templates/index.html
index 535b347..82e8b11 100755
--- a/senpy/templates/index.html
+++ b/senpy/templates/index.html
@@ -332,5 +332,5 @@ In Data Science and Advanced Analytics (DSAA),
             </div>
         </div>
     </body>
-    <link href='http://fonts.googleapis.com/css?family=Architects+Daughter' rel='stylesheet' type='text/css'>
+    <link href='//fonts.googleapis.com/css?family=Architects+Daughter' rel='stylesheet' type='text/css'>
 </html>
diff --git a/senpy/utils.py b/senpy/utils.py
index ba771f9..b814119 100644
--- a/senpy/utils.py
+++ b/senpy/utils.py
@@ -14,7 +14,7 @@
 #    limitations under the License.
 #
 from . import models, __version__
-from collections import MutableMapping
+from collections.abc import MutableMapping
 import pprint
 import pdb