Traceback (most recent call last):


 "pyocd\probe\cmsis_dap_probe.py", line 285, in read_ap_result_callback


 "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 833, in read_reg_cb


 "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 143, in get_result


 "pyocd\utility\concurrency.py", line 28, in _locking


 "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 667, in flush


 "pyocd\utility\concurrency.py", line 28, in _locking


 "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 918, in _read_packet


 "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 451, in decode_data


 "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 358, in _decode_transfer_data


 "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 341, in _check_response
pyocd.probe.pydapaccess.dap_access_api.DAPAccessIntf.TransferError: No ACK received

Traceback (most recent call last):

 "/usr/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)

 "/home/besser82/rpmbuild/BUILDROOT/python-scikit-learn-0.15-0.1.git20140602.083b5f5.fc20.x86_64/usr/lib64/python2.7/site-packages/sklearn/tests/test_common.py", line 719, in check_classifiers_input_shapes
classifier.fit(X, y)

 "/home/besser82/rpmbuild/BUILDROOT/python-scikit-learn-0.15-0.1.git20140602.083b5f5.fc20.x86_64/usr/lib64/python2.7/site-packages/sklearn/ensemble/forest.py", line 271, in fit
backend="threading")(TypeError: __init__() got an unexpected keyword argument 'backend'