diff -Nru python-google-auth-1.5.1/debian/changelog python-google-auth-1.5.1/debian/changelog
--- python-google-auth-1.5.1/debian/changelog	2019-09-03 08:46:37.000000000 +0000
+++ python-google-auth-1.5.1/debian/changelog	2021-01-04 13:51:12.000000000 +0000
@@ -1,3 +1,15 @@
+python-google-auth (1.5.1-3) unstable; urgency=medium
+
+  [ Ondřej Nový ]
+  * Bump Standards-Version to 4.4.1.
+
+  [ Thomas Goirand ]
+  * Add patches (Closes: #977087):
+    - fix-unit-test-using-collections.patch
+    - remove_test__load_credentials_from_file_authorized_user_cloud_sdk.patch
+
+ -- Thomas Goirand <zigo@debian.org>  Mon, 04 Jan 2021 14:51:12 +0100
+
 python-google-auth (1.5.1-2) unstable; urgency=medium
 
   * Team upload.
diff -Nru python-google-auth-1.5.1/debian/control python-google-auth-1.5.1/debian/control
--- python-google-auth-1.5.1/debian/control	2019-09-03 08:35:55.000000000 +0000
+++ python-google-auth-1.5.1/debian/control	2021-01-04 13:51:12.000000000 +0000
@@ -24,7 +24,7 @@
  python3-rsa,
  python3-six,
  python3-urllib3,
-Standards-Version: 4.4.0
+Standards-Version: 4.4.1
 Vcs-Browser: https://salsa.debian.org/openstack-team/python/python-google-auth
 Vcs-Git: https://salsa.debian.org/openstack-team/python/python-google-auth.git
 Homepage: https://github.com/GoogleCloudPlatform/google-auth-library-python
diff -Nru python-google-auth-1.5.1/debian/patches/fix-unit-test-using-collections.patch python-google-auth-1.5.1/debian/patches/fix-unit-test-using-collections.patch
--- python-google-auth-1.5.1/debian/patches/fix-unit-test-using-collections.patch	1970-01-01 00:00:00.000000000 +0000
+++ python-google-auth-1.5.1/debian/patches/fix-unit-test-using-collections.patch	2021-01-04 13:51:12.000000000 +0000
@@ -0,0 +1,21 @@
+Description: Fix using collections
+ Thist patch fixes this, which is threated as error:
+ /<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_google-auth/build/google/auth/jwt.py:221:
+ DeprecationWarning: Using or importing the ABCs from 'collections' instead of
+ from 'collections.abc' is deprecated since Python 3.3, and in 3.10 it will stop
+ working.
+Author: Thomas Goirand <zigo@debian.org>
+Forwarded: not-needed
+Last-Update: 2021-01-04
+
+--- python-google-auth-1.5.1.orig/google/auth/jwt.py
++++ python-google-auth-1.5.1/google/auth/jwt.py
+@@ -218,7 +218,7 @@ def decode(token, certs=None, verify=Tru
+ 
+     # If certs is specified as a dictionary of key IDs to certificates, then
+     # use the certificate identified by the key ID in the token header.
+-    if isinstance(certs, collections.Mapping):
++    if isinstance(certs, collections.abc.Mapping):
+         key_id = header.get('kid')
+         if key_id:
+             if key_id not in certs:
diff -Nru python-google-auth-1.5.1/debian/patches/remove_test__load_credentials_from_file_authorized_user_cloud_sdk.patch python-google-auth-1.5.1/debian/patches/remove_test__load_credentials_from_file_authorized_user_cloud_sdk.patch
--- python-google-auth-1.5.1/debian/patches/remove_test__load_credentials_from_file_authorized_user_cloud_sdk.patch	1970-01-01 00:00:00.000000000 +0000
+++ python-google-auth-1.5.1/debian/patches/remove_test__load_credentials_from_file_authorized_user_cloud_sdk.patch	2021-01-04 13:51:12.000000000 +0000
@@ -0,0 +1,23 @@
+Description: Remove failing test
+Author: Thomas Goirand <zigo@debian.org>
+Bug-Debian: https://bugs.debian.org/977087
+Forwarded: no
+Last-Update: 2021-01-04
+
+--- python-google-auth-1.5.1.orig/tests/test__default.py
++++ python-google-auth-1.5.1/tests/test__default.py
+@@ -91,14 +91,6 @@ def test__load_credentials_from_file_aut
+     assert excinfo.match(r'missing fields')
+ 
+ 
+-def test__load_credentials_from_file_authorized_user_cloud_sdk():
+-    with pytest.warns(UserWarning, matches='Cloud SDK'):
+-        credentials, project_id = _default._load_credentials_from_file(
+-            AUTHORIZED_USER_CLOUD_SDK_FILE)
+-    assert isinstance(credentials, google.oauth2.credentials.Credentials)
+-    assert project_id is None
+-
+-
+ def test__load_credentials_from_file_service_account():
+     credentials, project_id = _default._load_credentials_from_file(
+         SERVICE_ACCOUNT_FILE)
diff -Nru python-google-auth-1.5.1/debian/patches/series python-google-auth-1.5.1/debian/patches/series
--- python-google-auth-1.5.1/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ python-google-auth-1.5.1/debian/patches/series	2021-01-04 13:51:12.000000000 +0000
@@ -0,0 +1,2 @@
+fix-unit-test-using-collections.patch
+remove_test__load_credentials_from_file_authorized_user_cloud_sdk.patch