在mac下使用报错:
Traceback (most recent call last):
File "weather.py", line 5, in <module>
from city import city
File "/Users/qinng/Code/Python/city.py", line 2
SyntaxError: Non-ASCII character '\xe5' in file /Users/qinng/Code/Python/city.py on line 2, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details