This patch should fix a bug in PExpect.launch that happened when color
support is not enabled.
In that case, we need to add the `--no-use-colors` flag to lldb's launch
argument list. However, previously, each character to the string was
appended separately to the `args` list. This patch solves that by adding
the whole string to the list.
This should fix the TestIOHandlerResize failure on GreenDragon.
Differential Revision: https://reviews.llvm.org/D126021
Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>
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