BUG: series name lost after eval op

[UranusSeven]

Describe the bug

series returned by pandas.eval will not inherit name from input. Thus runtime results may not be consistent with metadata of chunks.

To Reproduce

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1. Your Python version
2. The version of Mars you use
3. Versions of crucial packages, such as numpy, scipy and pandas
4. Full stack of the error.
5. Minimized code to reproduce the error.

Expected behavior

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Additional context

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