beremiz

ee51d1deadfd
wxPython4 sequels: fix Wx exceptions ignored because no traceback

Some exception triggered on wxPython side have None as traceback,
and exception hanlder was discarding them.
<xsd:element name="Xenomai">
<xsd:complexType>
%(toolchain_gcc)s
<xsd:attribute name="XenoConfig" type="xsd:string" use="optional" default="xeno-config"/>
</xsd:complexType>
</xsd:element>