Patch scripts to use the python3.

diff --git a/src/azure_gahp/AzureGAHPServer.py b/src/azure_gahp/AzureGAHPServer.py
index ec89591c38..274a8d3929 100644
--- a/src/azure_gahp/AzureGAHPServer.py
+++ b/src/azure_gahp/AzureGAHPServer.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python -u
+#!/usr/bin/env python3 -u
 
 from __future__ import print_function
 
diff --git a/src/condor_gridmanager/slurm_status.py b/src/condor_gridmanager/slurm_status.py
index 61e68682ff..9ca5bd3cee 100755
--- a/src/condor_gridmanager/slurm_status.py
+++ b/src/condor_gridmanager/slurm_status.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 #  File:     slurm_status.py
 #
diff --git a/src/condor_job_router/condor_router_history b/src/condor_job_router/condor_router_history
index 8120fde566..452f0b6aca 100755
--- a/src/condor_job_router/condor_router_history
+++ b/src/condor_job_router/condor_router_history
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 ##**************************************************************
 ##
 ## Copyright (C) 1990-2007, Condor Team, Computer Sciences Department,
diff --git a/src/condor_scripts/condor_top b/src/condor_scripts/condor_top
index c31f14d6a7..bd647c2d00 100755
--- a/src/condor_scripts/condor_top
+++ b/src/condor_scripts/condor_top
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import htcondor
 import classad