TypeError at /blog/edit/1

cannot convert dictionary update sequence element #0 to a sequence

Request Method:

GET    

Request URL:

http://127.0.0.1:8000/blog/edit/1    

Django Version:

1.10.5    

Exception Type:

TypeError    

Exception Value:

cannot convert dictionary update sequence element #0 to a sequence
   

Exception Location:

C:\Users\Administrator\Anaconda2\lib\site-packages\django\template\context.py in __init__, line 18    

Python Executable:

C:\Users\Administrator\Anaconda2\python.exe    

Python Version:

2.7.12    

Python Path:

['F:\\pythonxuexi\\myblog',
'C:\\Users\\Administrator\\Anaconda2\\lib\\site-packages\\semisup_learn-0.0.1-py2.7.egg',
'C:\\Users\\Administrator\\Anaconda2\\lib\\site-packages\\sklearn-0.0-py2.7.egg',
'F:\\pythonxuexi\\myblog',
'C:\\Users\\Administrator\\Anaconda2\\python27.zip',
'C:\\Users\\Administrator\\Anaconda2\\DLLs',
'C:\\Users\\Administrator\\Anaconda2\\lib',
'C:\\Users\\Administrator\\Anaconda2\\lib\\plat-win',
'C:\\Users\\Administrator\\Anaconda2\\lib\\lib-tk',
'C:\\Users\\Administrator\\Anaconda2',
'c:\\users\\administrator\\anaconda2\\lib\\site-packages\\sphinx-1.4.1-py2.7.egg',
'c:\\users\\administrator\\anaconda2\\lib\\site-packages\\setuptools-23.0.0-py2.7.egg',
'C:\\Users\\Administrator\\Anaconda2\\lib\\site-packages',
'C:\\Users\\Administrator\\Anaconda2\\lib\\site-packages\\win32',
'C:\\Users\\Administrator\\Anaconda2\\lib\\site-packages\\win32\\lib',
'C:\\Users\\Administrator\\Anaconda2\\lib\\site-packages\\Pythonwin