https://github.com/matlink/googleplay-api - 

commit cf1c994aae7c23dd81ece713fd9187daf0f8f66a
Author: Matlink <matlink@matlink.fr>
Date:   Wed Feb 26 22:28:45 2020 +0100

    Fix auth error


Index: googleplay-api-0.4.4+git20200310/gpapi/googleplay.py
===================================================================
--- googleplay-api-0.4.4+git20200310.orig/gpapi/googleplay.py
+++ googleplay-api-0.4.4+git20200310/gpapi/googleplay.py
@@ -141,7 +141,7 @@ class GooglePlayAPI(object):
         if self.gsfId is not None:
             headers["X-DFE-Device-Id"] = "{0:x}".format(self.gsfId)
         if self.authSubToken is not None:
-            headers["Authorization"] = "GoogleLogin auth=%s" % self.authSubToken
+            headers["Authorization"] = "Bearer %s" % self.authSubToken
         if self.device_config_token is not None:
             headers["X-DFE-Device-Config-Token"] = self.device_config_token
         if self.deviceCheckinConsistencyToken is not None: