fix!: drop support for Python 2.7 (#778)
Drop use of 'six' wrapper library.
Drop 'u"' prefixes.
Drop support for app_engine 'classic' mode (Python 2.7-only).
Release-As: 2.0.0b1
Closes #777.
diff --git a/google/auth/identity_pool.py b/google/auth/identity_pool.py
index 5362199..c331e09 100644
--- a/google/auth/identity_pool.py
+++ b/google/auth/identity_pool.py
@@ -33,11 +33,7 @@
access tokens.
"""
-try:
- from collections.abc import Mapping
-# Python 2.7 compatibility
-except ImportError: # pragma: NO COVER
- from collections import Mapping
+from collections.abc import Mapping
import io
import json
import os