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samba-tool visualize: remove py2 compat for colour calculations

io.StringIO has .isatty(); the old cStringIO did not,

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
This commit is contained in:
Douglas Bagnall
2022-08-17 11:57:00 +12:00
committed by Douglas Bagnall
parent 6ced3d2151
commit 6160e956b5

View File

@@ -162,9 +162,6 @@ class GraphCommand(Command):
return None
if isinstance(output, str) and output != '-':
return None
if not hasattr(self.outf, 'isatty'):
# not a real file, perhaps cStringIO in testing
return None
if not self.outf.isatty():
return None