QGIS crash when I try print geometry

I do (It`s work):

from osgeo import ogr
inputds = ogr.Open(r'c:\temp.shp')
inputlyr = inputds .GetLayer()
for i,feature in enumerate(inputlyr):
    print i, feature.GetGeometryRef()

Output:

0 POLYGON ((4.286549707602339 0.526315789473684,3.797114870553876 -2.563854154275787,2.376719651351817 -5.351536733451042,0.164402230527078 -7.563854154275783,-2.623280348648173 -8.984249373477848,-5.713450292397642 -9.473684210526315,-8.803620236147113 -8.984249373477859,-11.591302815322369 -7.563854154275806,-13.803620236147115 -5.351536733451073,-15.224015455349186 -2.563854154275825,-15.71345029239766 0.526315789473643,-15.22401545534921 3.616485733223115,-13.803620236147164 6.404168312398374,-11.591302815322436 8.616485733223128,-8.803620236147188 10.036880952425204,-5.713450292397716 10.526315789473685,-2.623280348648239 10.036880952425237,0.164402230527027 8.616485733223191,2.37671965135178 6.40416831239846,3.797114870553858 3.616485733223211,4.286549707602339 0.526315789473684))

1 POLYGON ((3.894736842105264 1.16374269005848,3.4053020050568 -1.926427253690991,1.984906785854742 -4.714109832866246,-0.227410634969997 -6.926427253690988,-3.015093214145249 -8.346822472893052,-6.105263157894718 -8.836257309941519,-9.195433101644188 -8.346822472893063,-11.983115680819445 -6.926427253691011,-14.195433101644191 -4.714109832866277,-15.61582832084626 -1.926427253691029,-16.105263157894736 1.163742690058438,-15.615828320846287 4.253912633807911,-14.195433101644239 7.04159521298317,-11.983115680819513 9.253912633807921,-9.195433101644262 10.674307853009999,-6.105263157894791 11.163742690058481,-3.015093214145315 10.674307853010031,-0.227410634970049 9.253912633807985,1.984906785854705 7.041595212983256,3.405302005056782 4.253912633808007,3.894736842105264 1.16374269005848)) ... ...

but when I try add:

print inputlyr[0].GetGeometryRef()

QGIS crash - Crash dumped. minidump written to C...

But my goal is not to print the geometry.. I want to Union geometry

poly1 = inputlyr[0].GetGeometryRef()
poly2 = inputlyr[1].GetGeometryRef()
union = poly1.Union(poly2)
print union.ExportToWkt()

But I receives the same error. I test this on 2 comp (QGIS 2.6 and QGIS 2.2)

I do something wrong?