idf.py: Fix IOError that costs CI failure
@@ -214,7 +214,7 @@ class RunTool:
output_file.write(output)
# print output in progression way but only the progression related (that started with '[') and if verbose flag is not set
- if self.force_progression and output[0] == '[' and '-v' not in self.args:
+ if self.force_progression and output[0] == '[' and '-v' not in self.args and output_stream.isatty():
print_progression(output)
else:
print(output, end='', file=output_stream)
