--- atopgpud.orig	2019-01-12 16:37:19.000000000 -0600
+++ atopgpud	2019-09-05 10:40:24.909804909 -0500
@@ -1,4 +1,4 @@
-#!/usr/bin/python -Es
+#!/usr/bin/python3 -Es
 
 # ==============================================================
 # Daemon that gathers statistical information from all 
@@ -503,7 +503,7 @@
             # active processes for
             # this GPU
             # ---------------------
-            for pid, stat in s.procstats.items():
+            for pid, stat in list(s.procstats.items()):
                 strbuf += "#A {:d} {:d} {:d} {:d} {:d} {:d} {:d}".format(pid,
                            stat.gpubusy, stat.membusy, stat.timems,
                            stat.memnow,  stat.memcum,  stat.sample)
@@ -512,7 +512,7 @@
             # terminated processes
             # for this GPU
             # ---------------------
-            for pid, stat in cliterm[clisock].items():
+            for pid, stat in list(cliterm[clisock].items()):
                 strbuf += "#E {:d} {:d} {:d} {:d} {:d} {:d} {:d}".format(pid,
                            stat.gpubusy, stat.membusy, stat.timems,
                            stat.memnow,  stat.memcum,  stat.sample)