---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-1-674d9281af88> in <module>()
----> 1 from qutip import *
/home/caidish1234/anaconda3/lib/python3.6/site-packages/qutip/__init__.py in <module>()
169
170 # core
--> 171 from qutip.qobj import *
172 from qutip.states import *
173 from qutip.operators import *
/home/caidish1234/anaconda3/lib/python3.6/site-packages/qutip/qobj.py in <module>()
58 import qutip.settings as settings
59 from qutip import __version__
---> 60 from qutip.fastsparse import fast_csr_matrix, fast_identity
61 from qutip.cy.ptrace import _ptrace
62 from qutip.permute import _permute
/home/caidish1234/anaconda3/lib/python3.6/site-packages/qutip/fastsparse.py in <module>()
404 #Need to do some trailing imports here
405 #-------------------------------------
--> 406 from qutip.cy.spmath import (zcsr_transpose, zcsr_adjoint, zcsr_mult)
ImportError: /home/caidish1234/anaconda3/lib/python3.6/site-packages/qutip/cy/spmath.cpython-36m-x86_64-linux-gnu.so: undefined symbol: _ZTINSt8ios_base7failureB5cxx11E
try it again,the error changes to:
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
/home/caidish1234/anaconda3/lib/python3.6/site-packages/qutip/__init__.py in <module>()
46 __IPYTHON__
---> 47 qutip.settings.ipython = True
48 except:
AttributeError: module 'qutip' has no attribute 'settings'
During handling of the above exception, another exception occurred:
AttributeError Traceback (most recent call last)
<ipython-input-2-674d9281af88> in <module>()
----> 1 from qutip import *
/home/caidish1234/anaconda3/lib/python3.6/site-packages/qutip/__init__.py in <module>()
47 qutip.settings.ipython = True
48 except:
---> 49 qutip.settings.ipython = False
50
51 # -----------------------------------------------------------------------------
AttributeError: module 'qutip' has no attribute 'settings'