scripts: Update graphing scripts to work with either python2 or python3

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

4 files changed, 8 insertions, 8 deletions

diff --git a/scripts/graph_extruder.py b/scripts/graph_extruder.py
index 241f727f..6f31ed3c 100755
--- a/scripts/graph_extruder.py
+++ b/scripts/graph_extruder.py
@@ -1,7 +1,7 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 # Generate extruder pressure advance motion graphs
 #
-# Copyright (C) 2019-2020  Kevin O'Connor <kevin@koconnor.net>
+# Copyright (C) 2019-2021  Kevin O'Connor <kevin@koconnor.net>
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
 import math, optparse, datetime
diff --git a/scripts/graph_motion.py b/scripts/graph_motion.py
index 29a5410b..0520343f 100755
--- a/scripts/graph_motion.py
+++ b/scripts/graph_motion.py
@@ -1,7 +1,7 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 # Script to graph motion results
 #
-# Copyright (C) 2019-2020  Kevin O'Connor <kevin@koconnor.net>
+# Copyright (C) 2019-2021  Kevin O'Connor <kevin@koconnor.net>
 # Copyright (C) 2020  Dmitry Butyugin <dmbutyugin@google.com>
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
diff --git a/scripts/graph_shaper.py b/scripts/graph_shaper.py
index bf94afc1..0ea19458 100755
--- a/scripts/graph_shaper.py
+++ b/scripts/graph_shaper.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 # Script to plot input shapers
 #
 # Copyright (C) 2020  Kevin O'Connor <kevin@koconnor.net>
diff --git a/scripts/graphstats.py b/scripts/graphstats.py
index d9915036..b00477f9 100755
--- a/scripts/graphstats.py
+++ b/scripts/graphstats.py
@@ -1,7 +1,7 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 # Script to parse a logging file, extract the stats, and graph them
 #
-# Copyright (C) 2016-2019  Kevin O'Connor <kevin@koconnor.net>
+# Copyright (C) 2016-2021  Kevin O'Connor <kevin@koconnor.net>
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
 import optparse, datetime
@@ -23,7 +23,7 @@ def parse_log(logname, mcu):
         mcu = "mcu"
     mcu_prefix = mcu + ":"
     apply_prefix = { p: 1 for p in APPLY_PREFIX }
-    f = open(logname, 'rb')
+    f = open(logname, 'r')
     out = []
     for line in f:
         parts = line.split()