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-rw-r--r--PyMca5/PyMcaGraph/backends/GLSupport/GLProgram.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/PyMca5/PyMcaGraph/backends/GLSupport/GLProgram.py b/PyMca5/PyMcaGraph/backends/GLSupport/GLProgram.py
index da5ced7..db887b6 100644
--- a/PyMca5/PyMcaGraph/backends/GLSupport/GLProgram.py
+++ b/PyMca5/PyMcaGraph/backends/GLSupport/GLProgram.py
@@ -110,7 +110,8 @@ class GLProgram(object):
glValidateProgram(program)
if glGetProgramiv(program, GL_VALIDATE_STATUS) != GL_TRUE:
warnings.warn(
- 'Cannot validate program: ' + glGetProgramInfoLog(program),
+ 'Cannot validate program: ' + \
+ glGetProgramInfoLog(program).decode('ascii'),
RuntimeWarning)
attributes = {}