A python process which uses pyTTS will block any Excel
which uses DDE Links.
To reproduce this, run python and the following
then, as long as this python process is running, Excel
cannot open a DDE Link; it just freezes until the python
process is terminated.
To reproduce this, one can use Excel as both DDE client
and server by opening two Excel processes:
The server Excel opens a workbook called e.g.
TestSource.xls which contains some data in cell A1 of
The client Excel tries to open a workook which contains
the following formula (DDE link to cell A1):
Any help in identifying the cause of this is greatly
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