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I am getting the following error when i run `make` in the litex folder in <https://github.com/efabless/caravel_mgmt_soc_litex|caravel_mgmt_soc_litex>
```File "/home/ali112000/efabless/caravel_mgmt_soc_litex/litex/caravel.py", line 13, in &lt;module&gt;
    from litex.soc.cores.spi_flash import SpiFlash
ImportError: cannot import name 'SpiFlash' from 'litex.soc.cores.spi_flash' (/home/ali112000/.local/lib/python3.10/site-packages/litex/soc/cores/spi_flash.py)
make: *** [Makefile:20: mgmt_soc] Error 1```

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