assets-7.sqlite' doesn't exist.

[ideabus]

Dear Zipline Maintainers,

Before I tell you about my issue, let me describe my environment:

Environment

• Operating System: (Windows Version or $ uname --all)
• Python Version: $ python --version
• Python Bitness: $ python -c 'import math, sys;print(int(math.log(sys.maxsize + 1, 2) + 1))'
• How did you install Zipline: (pip, conda, or other (please explain))
• Python packages: $ pip freeze or $ conda list

Now that you know a little about me, let me tell you about the issue I am having:

Description of Issue

• What did you expect to happen?
• What happened instead?

Here is how you can reproduce this issue on your machine:

Reproduction Steps

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What steps have you taken to resolve this already?

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Anything else?

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Sincerely, $ whoami

[andycwang]

@.***邮箱联系我，谢谢！