I am trying to migrate my app to python 2.7
The default version which is still using python 2.5 works fine.
But when I try to run it under 2.7 I get 500 Serever Error with the
following traceback:
<class 'google.appengine.ext.db.DuplicatePropertyError'>: Class Model already
has property event_set
Traceback (most recent call last):
File "/base/data/home/apps/s~koncerti-bg-hrd/4.367721112548412011/main.app",
line 37, in <module>
class Event(search.SearchableModel):
File
"/base/python_runtime/python_lib/versions/1/google/appengine/ext/db/__init__.py",
line 515, in __init__
_initialize_properties(cls, name, bases, dct)
File
"/base/python_runtime/python_lib/versions/1/google/appengine/ext/db/__init__.py",
line 430, in _initialize_properties
attr.__property_config__(model_class, attr_name)
File
"/base/python_runtime/python_lib/versions/1/google/appengine/ext/db/__init__.py",
line 3686, in __property_config__
self.collection_name))
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