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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">Hi IronPython user message board,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">I have defined three classes in a C# project:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">public</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">class</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">BaseClass</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">{<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">}<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">public</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">class</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">SubClass</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> :
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">BaseClass</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">{<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">}<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">public</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">class</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">SubClass</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><T> :
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">BaseClass</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">{<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">The following IronPython code throws a TypeErrorException (IronPython 2.7):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">issubclass(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">SubClass</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">BaseClass</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">Exception-Message: issubclass() arg 1 must be a class<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">Everything works fine when I just remove the generic class or move it to another namespace.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">Why? What can I do to make this work?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"> -- Jan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:#3F9703;mso-fareast-language:DE">_____________________________________________________</span><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE"> </span><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE">i.A. Jan Pilger</span><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE">- Development Software -<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:#3F9703;mso-fareast-language:DE">_____________________________________________________</span><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE">+49 8035 8704-543</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE">phone:</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE">e-mail:</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE"><a href="mailto:j.pilger@steinbichler.de"><span style="color:#3F9703">j.pilger@steinbichler.de</span></a></span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE"><a href="http://www.steinbichler.de"><span style="color:#3F9703">www.steinbichler.de</span></a></span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE">Steinbichler Optotechnik GmbH<br>
Georg-Wiesböck-Ring 12, 83115 Neubeuern - Germany<br>
<br>
CEO: Dr. Marcus Steinbichler<br>
HRB 4836 Traunstein<br>
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