diff --git a/web3/utils/compat/compat_py3.py b/web3/utils/compat/compat_py3.py
index 11777ce..3363495 100644
--- a/web3/utils/compat/compat_py3.py
+++ b/web3/utils/compat/compat_py3.py
@@ -5,4 +5,8 @@ from urllib.parse import (  # noqa: F401
     urlunparse,
 )
 
-Generator = collections.Generator
+try:
+    Generator = collections.Generator
+except AttributeError:
+    # py34
+    Generator = type(_ for _ in tuple())