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<div>Hi guys</div>
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<div> Generally, pony has been great. Thanks!</div>
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<div>However I think this is a bug. I ran the attached program, and it generates this call stack. The error is reported in line 202 but it is actually in line 203.  I know that the ID in 203 overrides the db.entity class of that name, but I would think that
 the error does not exist until line 203.</div>
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<div>Traceback (most recent call last):</div>
<div>  File "../geneticsSubjects.py", line 212, in <module></div>
<div>    dumpIDs()</div>
<div>  File "<auto generated wrapper of dumpIDs() function>", line 2, in dumpIDs</div>
<div>  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pony/orm/core.py", line 345, in new_func</div>
<div>    try: return func(*args, **kwargs)</div>
<div>  File "../geneticsSubjects.py", line 202, in dumpIDs</div>
<div>    print( ID.__header__() )</div>
<div>UnboundLocalError: local variable 'ID' referenced before assignment</div>
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<div> Also, I have a documentation suggestion.for example, your documentation  says:</div>
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<pre style="margin-top:0px; margin-bottom:0px; padding:9.5px; font-family:Consolas,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New'; font-size:15.5555562973022px; color:rgb(51,51,51); line-height:20px; word-break:break-all; word-wrap:break-word; white-space:pre-wrap; border:0px; text-align:justify; background-color:rgb(238,238,236); position:static; z-index:auto"><span class="x_k" style="margin:0px; padding:0px; color:rgb(32,74,135); font-weight:bold">for</span> <span class="x_n" style="margin:0px; padding:0px">p</span> <span class="x_ow" style="margin:0px; padding:0px; color:rgb(32,74,135); font-weight:bold">in</span> <span class="x_n" style="margin:0px; padding:0px">select</span><span class="x_p" style="margin:0px; padding:0px">(</span><span class="x_n" style="margin:0px; padding:0px">p</span> <span class="x_k" style="margin:0px; padding:0px; color:rgb(32,74,135); font-weight:bold">for</span> <span class="x_n" style="margin:0px; padding:0px">p</span> <span class="x_ow" style="margin:0px; padding:0px; color:rgb(32,74,135); font-weight:bold">in</span> <span class="x_n" style="margin:0px; padding:0px">Product</span><span class="x_p" style="margin:0px; padding:0px">):</span>
    <span class="x_k" style="margin:0px; padding:0px; color:rgb(32,74,135); font-weight:bold">print</span> <span class="x_n" style="margin:0px; padding:0px">p</span><span class="x_o" style="margin:0px; padding:0px; color:rgb(206,92,0); font-weight:bold">.</span><span class="x_n" style="margin:0px; padding:0px">name</span><span class="x_p" style="margin:0px; padding:0px">,</span> <span class="x_n" style="margin:0px; padding:0px">p</span><span class="x_o" style="margin:0px; padding:0px; color:rgb(206,92,0); font-weight:bold">.</span><span class="x_n" style="margin:0px; padding:0px">price</span></pre>
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<div> whereas it  is more convenient to say:</div>
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<div>for p in Product.select():</div>
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