lint: Make sure we read the command line inputs using utf-8 decoding in python

1 files changed, 2 insertions, 2 deletions

diff --git a/contrib/devtools/optimize-pngs.py b/contrib/devtools/optimize-pngs.py
index 8b1f41f7e1..e9481dbbcf 100755
--- a/contrib/devtools/optimize-pngs.py
+++ b/contrib/devtools/optimize-pngs.py
@@ -27,7 +27,7 @@ def content_hash(filename):
 pngcrush = 'pngcrush'
 git = 'git'
 folders = ["src/qt/res/movies", "src/qt/res/icons", "share/pixmaps"]
-basePath = subprocess.check_output([git, 'rev-parse', '--show-toplevel'], universal_newlines=True).rstrip('\n')
+basePath = subprocess.check_output([git, 'rev-parse', '--show-toplevel'], universal_newlines=True, encoding='utf8').rstrip('\n')
 totalSaveBytes = 0
 noHashChange = True
 
@@ -50,7 +50,7 @@ for folder in folders:
                 sys.exit(0)
 
             #verify
-            if "Not a PNG file" in subprocess.check_output([pngcrush, "-n", "-v", file_path], stderr=subprocess.STDOUT, universal_newlines=True):
+            if "Not a PNG file" in subprocess.check_output([pngcrush, "-n", "-v", file_path], stderr=subprocess.STDOUT, universal_newlines=True, encoding='utf8'):
                 print("PNG file "+file+" is corrupted after crushing, check out pngcursh version")
                 sys.exit(1)